National program for prevention and control of non communicable diseases

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What are the main goals of NCD prevention programs?

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New initiatives for national tb elimination program from park textbook

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tuberculosis India prevention

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site:tbcindia.mohfw.gov.in National TB Elimination Programme initiatives Ni-kshay Mitra 100 days campaign

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Anemia mukt Bharat and poshan abhiyan 2.0 from park textbook

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Anemia mukt Bharat and poshan abhiyan 2.0 from park textbook

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India anemia nutrition interventions

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Anemia Mukt Bharat Poshan Abhiyaan 2.0 official Ministry Women Child Development objectives

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https://www.pib.gov.in/PressReleasePage.aspx?PRID=2288796

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1. Anaemia Mukt Bharat (AMB) Strategy

Anaemia Mukt Bharat is a universal strategy to reduce anaemia across India. It is delivered through the existing National Iron Plus Initiative (NIPI) and Weekly Iron and Folic Acid Supplementation (WIFS) platforms in all villages, blocks, districts, and States/UTs.

Six interventions

  1. Prophylactic iron-folic acid (IFA) supplementation.
  2. Deworming.
  3. Year-round behaviour-change communication, called “Solid Body, Smart Mind”, promoting:
    • adherence to IFA and deworming;
    • appropriate infant and young-child feeding;
    • greater intake of iron-rich, diverse, locally available and fortified foods;
    • delayed cord clamping, by 3 minutes, after delivery.
  4. Testing and treatment of anaemia, using digital methods and point-of-care treatment, especially for pregnant women and school-going adolescents.
  5. Mandatory provision of iron-folic-acid fortified foods in government-funded public-health programmes.
  6. Detection and treatment of non-nutritional causes of anaemia in endemic areas, especially malaria, haemoglobinopathies, and fluorosis.
Source: Park's Textbook of Preventive and Social Medicine, p. 756.
Exam point: The current programme is also commonly described as the 7x7x7 strategy: seven beneficiary groups, seven interventions, and seven institutional mechanisms. Park lists the six core intervention areas above.

2. POSHAN Abhiyaan

POSHAN Abhiyaan was launched by the Government of India on 18 December 2017. It aims to improve the nutrition of:
  • Children aged 0-6 years
  • Adolescent girls
  • Pregnant women
  • Lactating mothers
It uses a life-cycle approach and promotes convergence among Anganwadi Services/ICDS, Pradhan Mantri Matru Vandana Yojana, schemes for adolescent girls, Janani Suraksha Yojana, National Health Mission, Swachh Bharat Mission, and other sectors.

Targets under POSHAN Abhiyaan

TargetReduction aimed
Stunting in children 0-6 years6% overall, 2% per year
Under-nutrition/underweight in children 0-6 years6% overall, 2% per year
Anaemia in children aged 6-59 months9% overall, 3% per year
Anaemia in girls and women aged 15-49 years9% overall, 3% per year
Low birth weight6% overall, 2% per year
Source: Park's Textbook of Preventive and Social Medicine, p. 687.

3. Mission POSHAN 2.0

Mission POSHAN 2.0, also called Saksham Anganwadi and POSHAN 2.0, is the later umbrella nutrition mission. It brings together:
  • Anganwadi Services
  • POSHAN Abhiyaan
  • Scheme for Adolescent Girls

Main focus

  • Address malnutrition through a life-cycle approach, with special attention to the first 1,000 days of life.
  • Provide supplementary nutrition to children 6 months to 6 years, pregnant women, lactating mothers, and eligible adolescent girls.
  • Give additional nutrition support, including take-home rations, for children with severe acute malnutrition.
  • Strengthen Anganwadi Centres and nutrition service delivery.
  • Promote nutrition awareness, behaviour change, growth monitoring, and community participation.
  • Use technology, particularly the POSHAN Tracker, for real-time monitoring of beneficiaries and services.
  • Ensure convergence of health, sanitation, education, food, and women-and-child-development services.
POSHAN 2.0 is an updated policy framework, so it may not appear as a separate detailed heading in older editions of Park. The textbook section gives the original POSHAN Abhiyaan targets; the newer umbrella programme has since incorporated it. The Government update on POSHAN 2.0 describes this integration and the programme’s present implementation.

National program for prevention and control of non communicable diseases

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India noncommunicable disease prevention control

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site:mohfw.gov.in National Programme for Prevention and Control of Non-Communicable Diseases NP-NCD India operational guidelines

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https://www.mohfw.gov.in/sites/default/files/NP-NCD%20Operat…

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National Programme for Prevention and Control of Non-Communicable Diseases

The programme was previously called NPCDCS: National Programme for Prevention and Control of Cancer, Diabetes, Cardiovascular Diseases and Stroke. It was launched in 2010 in 100 districts of 21 States/UTs and later expanded across India. The current programme name is NP-NCD, the National Programme for Prevention and Control of Non-Communicable Diseases.
It addresses major NCDs, especially:
  • Hypertension and cardiovascular diseases
  • Diabetes mellitus
  • Stroke
  • Common cancers: oral, breast, and cervical
  • Chronic respiratory diseases
  • Chronic kidney disease and non-alcoholic fatty liver disease are also covered in current operational guidance.

Objectives

  1. Prevention and control of common NCDs through behaviour and lifestyle modification.
  2. Health promotion through community awareness and reduction of risk factors.
  3. Early detection, diagnosis, treatment, referral, and follow-up of common NCDs.
  4. Capacity-building of doctors, nurses, paramedics, and other health workers.
  5. Development of facilities for rehabilitative and palliative care.
  6. Strengthening the supply of essential drugs, diagnostics, equipment, and logistics.
  7. Monitoring, surveillance, research, and evaluation of NCD services.
Park's Textbook of Preventive and Social Medicine, pp. 534-535. Current NP-NCD guidance similarly emphasizes health promotion, continuity of care from screening through follow-up, workforce capacity, and supply-chain strengthening in the MoHFW NP-NCD guidelines.

Major strategies

1. Health promotion and risk-factor reduction

Health education is delivered through mass media, community education, camps, interpersonal communication, and counselling. Key messages are:
  • Eat healthy food
  • Increase physical activity
  • Avoid tobacco and alcohol
  • Manage stress
Park's Textbook of Preventive and Social Medicine, p. 534.

2. Screening

Originally, NPCDCS used opportunistic screening of people above 30 years. Current NP-NCD provides population-based screening for persons aged 30 years and above for:
  • Hypertension
  • Diabetes
  • Oral cancer
  • Breast cancer
  • Cervical cancer
Screening is provided through Ayushman Arogya Mandirs, sub-centres, PHCs, CHCs, and district hospitals.

3. Diagnosis, treatment, referral, and follow-up

The programme aims to ensure a continuum of care:
LevelMain functions
Sub-centre/Ayushman Arogya MandirHealth promotion, risk assessment, BP measurement, blood glucose screening, referral of suspected cases
PHC/CHC NCD clinicConfirmation of diagnosis, investigations, treatment, follow-up, counselling, management of uncomplicated cases
District hospital NCD clinicDetailed evaluation, management of complicated cases, specialist referral, follow-up and palliative care
Tertiary centreAdvanced specialist care for cancer, CVD, stroke, renal disease, and other complex NCDs
At CHC level, NCD clinics provide tests such as blood glucose, lipid profile, ECG, X-ray, and ultrasound as needed. Complicated diabetes, hypertension, CVD, or stroke cases are referred upward. Park's Textbook of Preventive and Social Medicine, p. 535.

4. Cancer-control component

Important activities include:
  • Early identification and referral of suspected cancer cases
  • Screening for oral, breast, and cervical cancer
  • Teaching breast self-examination and oral self-examination
  • Cervical-cancer screening as per programme protocols
  • Diagnosis, treatment, follow-up, rehabilitation, and palliative care

5. Palliative and rehabilitative care

The programme provides support for people with chronic, progressive, debilitating disease. District-level services include home-based palliative care where feasible, along with counselling and rehabilitation.

Organisation

Implementation and monitoring occur through NCD Cells at:
  1. National level
  2. State level
  3. District level
Services are integrated with the existing public health system and National Health Mission. Park's Textbook of Preventive and Social Medicine, p. 535.

Short exam summary

NP-NCD/NPCDCS is India’s national programme for prevention and control of major NCDs. Its pillars are health promotion, risk-factor reduction, population-based screening of adults aged 30 years and above, early diagnosis, treatment, referral, follow-up, rehabilitation, palliative care, capacity-building, and surveillance.

Goals given by who

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site:who.int global NCD action plan 2025 nine voluntary global targets 2025

WHO Global NCD Targets

WHO set 9 voluntary global targets to be achieved by 2025 under the Global Action Plan for Prevention and Control of NCDs.
  1. 25% relative reduction in premature mortality from cardiovascular diseases, cancer, diabetes, and chronic respiratory diseases.
  2. At least 10% relative reduction in harmful use of alcohol.
  3. 10% relative reduction in prevalence of insufficient physical activity.
  4. 30% relative reduction in mean population intake of salt/sodium.
  5. 30% relative reduction in prevalence of current tobacco use among persons aged 15 years and above.
  6. 25% relative reduction in prevalence of raised blood pressure, or contain the prevalence of raised blood pressure according to national circumstances.
  7. Halt the rise in diabetes and obesity.
  8. Ensure that at least 50% of eligible people receive drug therapy and counselling, including glycaemic control, to prevent heart attacks and strokes.
  9. Ensure 80% availability of affordable basic technologies and essential medicines, including generics, required to treat major NCDs in both public and private facilities.
Mnemonic: 25-10-10-30-30-25-Halt-50-80
The official WHO monitoring framework describes these nine targets and their indicators.

Screening of cervical cancer,oral cancer and breast cancer in India from park textbook

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India cancer screening cervical breast oral

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site:mohfw.gov.in operational guidelines population based screening oral breast cervical cancer India 30 years

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Screening of Cervical, Breast, and Oral Cancer in India

Under the National Programme for Prevention and Control of Non-Communicable Diseases (NP-NCD), formerly NPCDCS, population-based screening is provided through Ayushman Arogya Mandirs and the public health system.

Target population

CancerEligible population
Oral cancerMen and women aged 30-65 years
Breast cancerWomen aged 30-65 years
Cervical cancerWomen aged 30-65 years
People who screen negative are generally re-screened after 5 years. Screening uses trained ASHAs, ANMs, MPWs, staff nurses, Community Health Officers, and medical officers, with referral through PHC, CHC, district hospital, and tertiary cancer centres.

1. Cervical cancer screening

Methods

  1. Pap smear/cervical cytology
    • Detects the long pre-invasive stage, carcinoma in situ.
    • Park mentions Pap testing from the start of sexual activity and then every 3 years. However, this is a general textbook description and should not be confused with the current Indian population-screening protocol.
  2. Visual inspection with acetic acid (VIA)
    • This is the practical, low-cost screening method used in India’s public programme.
    • Apply freshly prepared 5% acetic acid to the cervix.
    • A positive test is indicated by a well-defined opaque acetowhite lesion near the squamocolumnar junction, a circum-orificial acetowhite lesion, or dense acetowhitening over an ulceroproliferative growth.
  3. Other visual methods
    • VIAM: Visual inspection with acetic acid and magnification.
    • VILI: Visual inspection after Lugol iodine application.

Follow-up of VIA-positive women

  • Refer for further assessment at PHC/CHC/district hospital.
  • Colposcopy and biopsy provide diagnostic confirmation where indicated.
  • Eligible precancerous lesions may be treated using a single-visit approach, such as cryotherapy.
  • Lesions not suitable for ablative treatment, suspected invasive cancer, or high-grade lesions require biopsy and referral to a specialist/tertiary cancer centre.
Why VIA is important in India: Pap smear needs laboratories, equipment, and trained cytology personnel. VIA is inexpensive, easy to perform after training, and has sensitivity comparable to cytology-based screening in many settings.
Park's Textbook of Preventive and Social Medicine, p. 437.

2. Breast cancer screening

Methods of early detection

  1. Breast self-examination (BSE)
    • Women should be taught breast awareness/self-examination.
    • It helps women identify a lump, thickening, nipple change, or other abnormality early.
    • Park considers it a useful adjunct for early case detection.
  2. Clinical breast examination (CBE)
    • Systematic inspection and palpation of both breasts and axillary lymph nodes by a trained health worker.
    • This is the main population-based screening method in the Indian public-health programme.
  3. Mammography
    • Most sensitive and specific method for detecting small tumours that may be missed on palpation.
    • It is not suitable for universal mass screening in resource-constrained areas because it requires good equipment and experienced radiologists.
    • Park also highlights radiation exposure and false-positive results as limitations.
    • Women under 35 years should not have mammography/X-ray screening unless symptomatic or with a family history of early-onset breast cancer.
  4. Thermography
    • No radiation exposure, but it is not sufficiently sensitive.

Referral

Women with a suspicious lump or abnormal CBE are referred for diagnostic imaging, usually ultrasonography/mammography as appropriate, followed by FNAC/core biopsy or other specialist evaluation.
Park's Textbook of Preventive and Social Medicine, p. 437.

3. Oral cancer screening

Method: Oral visual examination (OVE)

  • The oral cavity is easily accessible for direct inspection.
  • Trained health workers inspect the lips, buccal mucosa, gingiva, tongue, floor of mouth, palate, and oropharynx using adequate light and gloves.
  • It is particularly important for high-risk persons:
    • tobacco smokers;
    • smokeless-tobacco users;
    • betel quid/areca nut users;
    • alcohol users.

Suspicious findings

Refer if any of the following are seen:
  • Non-healing ulcer or sore, especially lasting more than 2 weeks
  • White patch: leukoplakia
  • Red patch: erythroplakia
  • Red-and-white lesion
  • Induration, swelling, nodule, or unexplained bleeding
  • Restricted tongue movement, difficulty chewing/swallowing, or persistent hoarseness

Follow-up

  • A suspected lesion should be referred to PHC/CHC/district hospital for detailed intra-oral examination.
  • Biopsy and histopathology confirm the diagnosis.
  • Tobacco cessation counselling and referral to tobacco-cessation services are essential.
  • Precancerous oral lesions can be detected long before invasive cancer develops. Tobacco cessation may reverse or prevent progression of lesions such as leukoplakia.
Park's Textbook of Preventive and Social Medicine, pp. 438-439.

One-line comparison for exams

CancerPrimary screening method in India
Cervical cancerVIA with 5% acetic acid
Breast cancerClinical breast examination
Oral cancerOral visual examination
The Government cancer-screening framework supports screening of oral cancer in men and women and breast/cervical cancer in women aged 30-65 years, with a 5-year screening interval after a negative result.

Role of Asha,Anm, from park

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India ASHA ANM community health worker roles

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site:mohfw.gov.in ASHA role ANM roles National Health Mission India

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Role of ASHA and ANM

1. ASHA: Accredited Social Health Activist

ASHA is a village-level health activist, selected from the community. The general norm is one ASHA per 1,000 population.

Functions of ASHA

  1. Health education and awareness
    • Creates awareness about nutrition, sanitation, hygiene, healthy living and working conditions.
    • Informs people about available health services and encourages their timely use.
  2. Maternal and child health counselling
    • Counsels women on birth preparedness, safe delivery, breastfeeding, complementary feeding, immunization, contraception, newborn and child care.
    • Educates about prevention of RTIs/STIs and common infections.
  3. Mobilization and link worker role
    • Mobilizes people to use Anganwadi, sub-centre, PHC and other government services.
    • Facilitates ANC, PNC, immunization, supplementary nutrition, sanitation and family-planning services.
  4. Village health planning
    • Works with the Village Health, Sanitation and Nutrition Committee/Gram Panchayat to prepare the village health plan.
  5. Escort and referral
    • Accompanies pregnant women and sick children to PHC, CHC, First Referral Unit, or hospital when needed.
  6. Basic care and treatment
    • Provides first aid and care for minor ailments such as diarrhoea and fever.
    • Works as a DOTS provider for tuberculosis treatment.
  7. Drug-depot holder
    • Keeps and provides essential supplies such as ORS, IFA tablets, condoms, oral contraceptive pills, disposable delivery kits, and other drugs in the ASHA kit.
  8. Disease surveillance
    • Reports births, deaths, unusual health events, and suspected disease outbreaks to the sub-centre/PHC.
  9. Sanitation promotion
    • Promotes household toilet construction and use under sanitation programmes.
Source: Park's Textbook of Preventive and Social Medicine, pp. 997-998.

2. ANM: Auxiliary Nurse Midwife/Health Worker Female

One ANM is posted at a sub-centre and, with the male health worker, covers around 5,000 population in plains and 3,000 population in tribal/hilly areas. Her work is mainly among 350-500 families.

Functions of ANM

A. Maternal health

  • Registers every pregnant woman and provides antenatal care.
  • Ensures at least four antenatal check-ups.
  • Tests urine for albumin and sugar and estimates haemoglobin.
  • Refers pregnant women for RPR testing for syphilis.
  • Identifies and refers high-risk or abnormal pregnancies.
  • Conducts deliveries where necessary and supervises deliveries by dais.
  • Refers difficult labour and sick/abnormal newborns for institutional care.
  • Helps implement Janani Suraksha Yojana.
  • Tracks pregnancies for scheduled ANC and PNC services.

B. Postnatal and newborn care

  • Makes postnatal visits:
    • Home/sub-centre delivery: day 0, 3, 7, and 42
    • Institutional delivery: day 3, 7, and 42
  • Makes extra visits for low-birth-weight babies.
  • Promotes breastfeeding within one hour of birth, exclusive breastfeeding for six months, and appropriate complementary feeding after six months.
  • Assesses child growth and development and refers when necessary.

C. Child health and nutrition

  • Treats minor ailments such as diarrhoea and ARI/pneumonia according to guidelines.
  • Identifies and refers severe dehydration, respiratory distress, severe acute malnutrition, and serious illness.
  • Educates mothers regarding nutrition, child care, hygiene, immunization, and prevention of communicable diseases.

D. Family planning

  • Maintains and updates the eligible-couple register.
  • Distributes condoms and oral contraceptive pills.
  • Motivates couples for family planning and arranges referral where needed.
  • Provides follow-up to family-planning acceptors and manages or refers side effects.
  • Maintains contraceptive supply through depot holders.

E. Immunization and communicable-disease control

  • Conducts/supports immunization activities.
  • Maintains cold chain and vaccine supplies.
  • Participates in surveillance, reporting, and control activities for communicable diseases.

F. Health education and records

  • Provides individual and group health education on MCH, family planning, nutrition, sanitation, immunization, and disease prevention.
  • Maintains records, registers, reports, and surveys required for health programmes.

G. Guidance of ASHA

  • Holds weekly or fortnightly meetings with ASHA.
  • Trains and guides ASHA.
  • Informs ASHA about outreach sessions and helps mobilize beneficiaries.
  • Uses ASHA to update eligible-couple registers, motivate women for ANC, IFA consumption, tetanus vaccination, institutional delivery, and family planning.
  • Trains ASHA to recognize danger signs in pregnancy and labour.
Source: Park's Textbook of Preventive and Social Medicine, pp. 998, 1009-1012.

Key difference

ASHAANM
Community-based health activist and link workerTrained multipurpose female health worker at sub-centre
Focuses on awareness, mobilization, home visits, basic care and referralProvides clinical preventive, promotive and basic curative services
Facilitates access to servicesDelivers and supervises services
Works under the guidance of ANMSupervises, trains and supports ASHA

Health planning cycle according to park textbook

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health planning cycle public health

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health planning cycle Park textbook steps analysis situation diagnosis objectives resources implementation evaluation

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Health Planning Cycle According to Park

Health planning is a continuous, systematic process of identifying community health problems and needs, setting realistic goals, selecting strategies, implementing action, monitoring progress, and evaluating results.

Steps of the health planning cycle

  1. Analysis of the health situation
    • Collect, assess, and interpret data to identify health problems, needs, and demands.
    • Data include:
      • Population size and age-sex structure
      • Morbidity and mortality statistics
      • Distribution and epidemiology of diseases
      • Existing health facilities and agencies
      • Available manpower and training facilities
      • Community attitudes and beliefs
  2. Establishment of objectives and goals
    • Objectives guide action and provide standards for later assessment.
    • They should be clear, realistic, feasible, and time-bound.
    • Goals are the ultimate desired health state towards which objectives and resources are directed.
  3. Assessment of resources
    • Assess available and required:
      • Manpower
      • Money
      • Materials
      • Skills
      • Knowledge
      • Techniques
      • Time
    • A balance is made between resources needed and those available or likely to become available.
  4. Fixing priorities
    • Since resources are limited, health problems are ranked in order of importance.
    • Consider:
      • Magnitude of morbidity and mortality
      • Financial constraints
      • Cost and feasibility of prevention
      • Social value, such as saving younger lives
      • Political and community interests
    • Alternative plans are formulated and the most practicable and effective one is selected.
  5. Write-up of the formulated plan
    • Prepare a detailed written plan.
    • Specify:
      • Inputs or resources required
      • Expected outputs
      • Activities and stages
      • Costs
      • Time schedule
      • Responsibilities
      • Built-in evaluation system
  6. Programming and implementation
    • After approval, the plan is put into action.
    • It requires:
      • Clearly defined roles and tasks
      • Selection, training, motivation, and supervision of staff
      • Good organization and communication
      • Delegation of authority and fixation of responsibility
  7. Monitoring
    • Continuous day-to-day follow-up during implementation.
    • It checks whether activities are proceeding according to the plan and schedule.
    • Deviations are identified and corrected promptly.
  8. Evaluation
    • Assesses whether stated objectives and targets have been achieved.
    • Measures adequacy, efficiency, effectiveness, acceptance, productivity, and cost-effectiveness.
    • Provides feedback for revising priorities, reallocating resources, and improving future plans.

Flowchart

Analysis of health situation
Objectives and goals
Assessment of resources
Fixing priorities and choosing alternatives
Formulation/write-up of plan
Programming and implementation
Monitoring
Evaluation and feedback
→ back to analysis of health situation
Source: Park's Textbook of Preventive and Social Medicine, p. 974.

Primary health care centre,sub centre ,secondary health care centre and tertiary health care centre from park

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India primary secondary tertiary health care

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site:mohfw.gov.in Indian Public Health Standards primary health centre sub centre community health centre secondary tertiary care

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Levels of Health Care in India According to Park

Health services are organized into three levels, with referral from lower to higher levels:
Sub-centre/PHC → CHC/District Hospital → Tertiary hospital

1. Primary Health Care

Primary health care is the first level of contact between an individual and the health system. It provides essential health care close to where people live, with community participation.
In India, it is delivered mainly through:
  • Sub-centres
  • Primary Health Centres (PHCs)
  • Village-level workers such as ASHA and Anganwadi workers
Most common health problems should be managed at this level.
Park's Textbook of Preventive and Social Medicine, p. 98.

A. Sub-centre

Definition

A sub-centre is the most peripheral outpost of the rural health-delivery system and forms the first interface between the community and the public-health system.

Population norms

AreaPopulation served by one sub-centre
Plains/general areas5,000
Hilly, tribal and backward areas3,000

Staff

Traditionally, a sub-centre has:
  • One Health Worker Female/ANM
  • One Health Worker Male/MPW
  • ASHA supports community-level work.
One Lady Health Visitor/Health Assistant Female and one Health Assistant Male at the PHC supervise about six sub-centres.

Main services

Sub-centres provide promotive, preventive, and limited curative care, including:
  • Maternal and child health care
  • Antenatal and postnatal care
  • Family planning and contraceptive services
  • Immunization
  • Nutrition education, IFA supplementation, and growth monitoring
  • Prevention and control of communicable diseases
  • Basic treatment for minor ailments and first aid
  • Health education, sanitation, and safe-water promotion
  • Disease surveillance, reporting of births and deaths
  • Referral of high-risk pregnancy, sick newborns, severe illness, and other cases.

Types of sub-centres

TypeFeature
Type AProvides all basic services but does not routinely conduct deliveries
Type B or MCH sub-centreProvides basic services plus delivery services
Park's Textbook of Preventive and Social Medicine, pp. 999-1001.

B. Primary Health Centre (PHC)

Definition

The Bhore Committee described the PHC as a basic health unit that provides integrated curative and preventive health care, as close to people as possible, with special emphasis on prevention and health promotion.

Population norms

AreaPopulation served by one PHC
Plains30,000
Hilly, tribal and backward areas20,000
A PHC generally supervises about six sub-centres.

Bed strength

Under IPHS, a PHC serving 20,000-30,000 population has six beds. Block-level PHCs may be upgraded to CHCs with 30 beds.

Functions of PHC

  1. Medical care for common illnesses
  2. Maternal and child health services, including family planning
  3. Safe water and basic sanitation
  4. Control of locally endemic diseases
  5. Collection and reporting of vital statistics
  6. Health education
  7. Implementation of national health programmes
  8. Referral services
  9. Training of health guides, health workers, local dais, and health assistants
  10. Basic laboratory services

Services

  • OPD services
  • Basic inpatient care
  • First aid, emergency stabilization, and referral
  • ANC, PNC, normal delivery services where available
  • Immunization
  • Contraceptive and family-planning services
  • Basic laboratory investigations
  • Implementation of disease-control programmes
  • NCD screening and follow-up.
Park's Textbook of Preventive and Social Medicine, pp. 1002-1003.

2. Secondary Health Care

Definition

Secondary care manages more complex health problems that cannot be handled at primary level. It provides mainly curative services and is the first referral level of the health system.

Institutions

  • Community Health Centre (CHC)
  • Sub-district/sub-divisional hospital
  • District hospital

Community Health Centre

A CHC is a referral facility for PHCs and is generally expected to provide specialist services such as:
  • Medicine
  • Surgery
  • Obstetrics and gynaecology
  • Paediatrics
It provides emergency services, specialist consultation, inpatient care, operative facilities, laboratory and diagnostic support, and referral for cases requiring advanced care.

Functions

  • Manages referred obstetric, medical, surgical, paediatric, and emergency cases.
  • Provides comprehensive emergency obstetric and newborn care where designated.
  • Provides inpatient care, diagnostics, and specialist services.
  • Supports PHCs through referral, supervision, training, and programme implementation.
  • Refers super-specialty or highly complicated cases to tertiary hospitals.
Park's Textbook of Preventive and Social Medicine, p. 98.

3. Tertiary Health Care

Definition

Tertiary care provides super-specialist care for complex conditions requiring advanced expertise, technology, and facilities.

Institutions

  • Medical college hospitals
  • Regional hospitals
  • Central government hospitals
  • AIIMS and other apex institutions
  • Speciality and super-speciality hospitals

Services

  • Advanced investigations and procedures
  • Super-specialist medical and surgical care
  • Intensive care and management of complicated referred cases
  • Cancer treatment, neurosurgery, cardiothoracic surgery, renal replacement therapy, etc.
  • Teaching and training of specialist staff
  • Research, planning, managerial support, and technical guidance for lower health-care levels.
Tertiary institutions also support and complement primary-level services through expertise, training, referral support, and research.
Park's Textbook of Preventive and Social Medicine, p. 98.

Comparison Table

FeatureSub-centrePHCSecondary careTertiary care
LevelPeripheral primary-care unitPrimary-care facilityFirst referral levelSuper-specialist referral level
Population norm5,000 plains, 3,000 hilly/tribal30,000 plains, 20,000 hilly/tribalServes referrals from PHCsServes referrals from secondary facilities
Main staffANM, MPW, ASHA supportMedical officer and health teamSpecialists and hospital teamSuper-specialists and advanced multidisciplinary team
Main focusPromotion, prevention, MCH, limited curative careIntegrated preventive, promotive, curative care and referralSpecialist curative and inpatient careComplex, advanced, super-specialist care
ExamplesHealth sub-centre/Ayushman Arogya MandirPHCCHC, district hospitalMedical college, AIIMS, speciality hospital
Referral pyramid:
Community/ASHA → Sub-centre → PHC → CHC/District Hospital → Tertiary Hospital

NACO from park

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India HIV prevention control programme

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site:naco.gov.in National AIDS Control Organisation NACP objectives India

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site:naco.gov.in NACP V goals objectives 2021 2026

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NACO

NACO stands for National AIDS Control Organization.
It is a separate wing/division under the Ministry of Health and Family Welfare, Government of India, created to implement, coordinate, and closely monitor the National AIDS Control Programme (NACP).

Aim of National AIDS Control Programme

  1. Prevent further transmission of HIV.
  2. Reduce morbidity and mortality associated with HIV infection.
  3. Minimize the socioeconomic impact of HIV/AIDS.
Park's Textbook of Preventive and Social Medicine, p. 488.

Brief history and phases

YearEvent
1986First HIV case detected in India; AIDS Task Force set up by ICMR; National AIDS Committee established
1987National AIDS Control Programme launched
1990Medium-Term Plan initiated
1992NACP-I launched; NACO set up
1999NACP-II began, focusing on behaviour change, decentralization, and NGO participation; State AIDS Control Societies established
2002National AIDS Control Policy and National Blood Policy adopted
2004Free antiretroviral treatment initiated
2006National Council on AIDS constituted under the Prime Minister; National Paediatric ART Policy formulated
2007-2012NACP-III
2012-2017NACP-IV
2017 onwardsNational Strategic Plan for HIV/AIDS and STIs
Park's Textbook of Preventive and Social Medicine, p. 488.

Components/activities under NACO

1. HIV surveillance

  • Establish surveillance centres throughout the country.
  • Monitor HIV prevalence and trends through sentinel surveillance.
  • Identify geographical areas and population groups at higher risk.

2. Targeted interventions

Targeted prevention services for key/high-risk populations, such as:
  • Female sex workers
  • Men who have sex with men
  • Transgender persons
  • Injecting-drug users
  • Migrant and bridge populations
Services include behaviour-change communication, condom promotion, STI services, HIV testing, and linkage to treatment.

3. Information, education and communication

  • Create awareness about HIV transmission and prevention.
  • Promote safe sexual behaviour and condom use.
  • Reduce HIV-related stigma and discrimination.
  • Encourage voluntary HIV testing, treatment adherence, and care seeking.
  • Conduct youth and school-focused awareness programmes.

4. HIV testing services

  • Integrated Counselling and Testing Centres (ICTCs).
  • Provider-initiated testing and counselling where indicated.
  • Community-based screening and linkage to care.
  • Pre-test and post-test counselling.

5. Prevention of parent-to-child transmission

  • HIV testing and counselling for pregnant women.
  • Antiretroviral therapy for HIV-positive pregnant/breastfeeding women.
  • Early diagnosis and treatment of HIV-exposed infants.
  • Counselling on infant feeding and follow-up.

6. Care, support and treatment

  • Free antiretroviral therapy through ART centres.
  • Management of opportunistic infections.
  • Viral-load testing and treatment monitoring.
  • Adherence counselling, psychosocial support, and referral services.
  • Linkage with TB services for HIV-TB collaborative activities.

7. Sexually transmitted infection/reproductive tract infection control

  • Establish and support STI/RTI clinics up to district level.
  • Syndromic case management, laboratory support, training, and drug kits.
  • Promote early diagnosis and treatment of STIs, which reduce the risk of HIV transmission.

8. Blood safety

  • Ensure safe blood and blood products.
  • Promote voluntary non-remunerated blood donation.
  • Screen donated blood for HIV and other transfusion-transmissible infections.
  • Strengthen blood banks, blood-component separation units, and quality assurance.

9. Condom programme

  • Ensure availability and promotion of condoms for HIV and STI prevention.
  • Social marketing and free distribution in high-risk settings.

10. Strategic information

  • Monitoring and evaluation
  • Surveillance
  • Programme research
  • Data analysis
  • Recording and reporting

Organizational structure

At the national level, NACO is headed by the Additional Secretary, MoHFW and Director General, NACO. Technical divisions are headed by officers at Deputy Director General level.
Major divisions include:
  • Targeted Intervention and Link Worker Scheme
  • Basic services: ICTC, PPTCT, and HIV-TB coordination
  • STI/RTI management
  • Blood safety
  • Laboratory services
  • Care, support, and treatment
  • Information, education, and communication
  • Strategic information: surveillance, monitoring, evaluation, research, and data analysis
  • Finance, administration, and procurement
At State level, implementation is through State AIDS Control Societies (SACS), with decentralised programme activities at district and facility levels.
Park's Textbook of Preventive and Social Medicine, pp. 488-489.

NACP-IV goal

The primary goal of NACP-IV was to:
Halt and reverse the HIV epidemic in India by integrating prevention, care, support, and treatment services.

Current update

The current phase, NACP-V, aims to carry India toward SDG 3.3, ending AIDS as a public-health threat by 2030. It builds on test-and-treat, universal viral-load testing, community-based screening, dolutegravir-based ART, and integrated prevention-test-treat-care services. See the official NACP-V overview.

Vision 2020 and national program to control blindness from park and also blindness from epidemiology of non-communicable disease from park

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India blindness control programme vision 2020

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site:mohfw.gov.in National Programme for Control of Blindness Visual Impairment Vision 2020 India

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https://mohfw.gov.in?q=en%2Fpressrelease-102

Visual Impairment and Blindness

Definition

According to WHO, blindness is presenting visual acuity of less than 3/60 in the better eye, with available correction.

ICD-11 classification of distance visual impairment

CategoryPresenting visual acuity
Mild visual impairmentWorse than 6/12
Moderate visual impairmentWorse than 6/18
Severe visual impairmentWorse than 6/60
BlindnessWorse than 3/60
Near visual impairment: Presenting near vision worse than N6 or M0.8 at 40 cm, with existing correction.
Park's Textbook of Preventive and Social Medicine, p. 452.

Epidemiology of Blindness

Major global causes

Cause of moderate-to-severe visual impairmentProportion
Uncorrected refractive errors53%
Unoperated cataract25%
Age-related macular degeneration4%
Glaucoma2%
Diabetic retinopathy1%
Major causes of blindness globally are:
  1. Unoperated cataract: 35%
  2. Uncorrected refractive error: 21%
  3. Glaucoma: 8%
In South-East Asia, cataract accounts for approximately 50-80% of blindness. Emerging important causes are glaucoma, age-related macular degeneration, diabetic retinopathy, corneal ulcer, and ocular trauma.
Park's Textbook of Preventive and Social Medicine, pp. 453-454.

Causes of blindness in India

According to the 2015-19 National Survey on Blindness, the causes include:
CausePercentage
Untreated cataract66.2%
Cataract surgical complications7.2%
Non-trachomatous corneal opacity7.4%
Other posterior-segment diseases5.9%
Glaucoma5.5%
Phthisis bulbi2.8%
Uncorrected aphakia1.7%
Diabetic retinopathy1.2%
Trachomatous corneal opacity0.8%
Age-related macular degeneration0.7%
Refractive error0.1%
Thus, cataract is the leading cause of blindness in India.
Park's Textbook of Preventive and Social Medicine, p. 454.

Epidemiological determinants

  1. Age
    • Children and young people: refractive errors, trachoma, conjunctivitis, and vitamin A deficiency.
    • Middle age: cataract, refractive errors, glaucoma, and diabetes.
    • Injury and trauma occur at all ages, especially 20-40 years.
  2. Sex
    • Blindness is reported more commonly in females than males in India, partly due to a higher prevalence of cataract, conjunctivitis, and trachoma.
  3. Malnutrition
    • Vitamin A deficiency, especially with measles, diarrhoea, and protein-energy malnutrition, may cause xerophthalmia and keratomalacia.
    • Severe corneal destruction due to vitamin A deficiency mainly affects children aged 6 months to 3 years.
  4. Occupation
    • Factory, workshop, and cottage-industry workers are exposed to dust, flying particles, chemicals, fumes, welding flash, radiation, and trauma.
  5. Social class and social factors
    • Blindness is more common among poorer populations.
    • Important factors are poverty, ignorance, poor hygiene, inadequate eye-care services, and harmful treatment by unqualified persons.
Park's Textbook of Preventive and Social Medicine, pp. 454-455.

Vision 2020: The Right to Sight

Vision 2020: The Right to Sight was launched by WHO on 18 February 1999 as a global initiative to eliminate avoidable blindness.

Central concept

It recognizes sight as a fundamental human right.

Objective

To help member countries develop sustainable eye-care systems that eliminate avoidable blindness due to:
  • Cataract
  • Xerophthalmia and other causes of childhood blindness
  • Refractive errors and low vision
  • Trachoma
  • Other causes of corneal blindness
The intended target year was 2020.
Park's Textbook of Preventive and Social Medicine, p. 456.

National Programme for Control of Blindness and Visual Impairment

NPCBVI

The National Programme for Control of Blindness (NPCB) was launched in 1976 as a 100% centrally sponsored programme. It incorporated the earlier National Trachoma Control Programme of 1968.

Goal

To reduce the prevalence of blindness from 1.4% to 0.3%.
Park cites blindness prevalence as 0.36% in the 2015-19 survey.
Park's Textbook of Preventive and Social Medicine, p. 496.

Objectives of NPCBVI

  1. Continue the three signature activities:
    • About 66 lakh cataract operations per year
    • School eye screening and distribution of 9 lakh free spectacles annually to children with refractive error
    • Collection of 50,000 donated eyes per year for keratoplasty
  2. Reduce the backlog of avoidable blindness through identification and treatment of curable blindness at primary, secondary, and tertiary levels.
  3. Provide comprehensive universal eye-care services and quality service delivery under the concept of Eye Health for All.
  4. Strengthen Regional Institutes of Ophthalmology, medical colleges, district hospitals, sub-district hospitals, vision centres, NGO eye hospitals, and other eye-care institutions.
  5. Strengthen infrastructure and develop human resources for comprehensive eye care in all districts.
  6. Enhance community awareness and preventive eye-care practices.
  7. Promote research on prevention of blindness and visual impairment.
  8. Ensure participation of voluntary organizations and private practitioners in eye-care delivery.
Park's Textbook of Preventive and Social Medicine, pp. 496-497.

Major strategies

  1. Free cataract surgery, including intraocular lens implantation, through government, NGO, and private-sector participation.
  2. Comprehensive eye care for diseases other than cataract:
    • Diabetic retinopathy
    • Glaucoma
    • Corneal blindness and corneal transplantation
    • Vitreo-retinal disorders
    • Childhood blindness
  3. Active screening of people above 50 years, eye camps, and transport of operable cataract cases to fixed facilities.
  4. School eye screening to detect refractive errors and provide free spectacles to eligible children.
  5. Public-private partnership to cover underserved regions.
  6. Training and capacity-building of health personnel.
  7. Information, education, and communication activities for eye-care awareness.
  8. Upgrading Regional Institutes of Ophthalmology and medical colleges as centres of excellence.
  9. Strengthening district hospitals with ophthalmologists, ophthalmic assistants, equipment, drugs, and infrastructure.
  10. Establishing vision centres at PHCs, with a paramedical ophthalmic assistant.
  11. Use of mobile ophthalmic units for remote areas.
Park's Textbook of Preventive and Social Medicine, p. 497.

Organisation and service-delivery system

LevelInstitution/service
CentralOphthalmology Section, Directorate General of Health Services, Ministry of Health and Family Welfare
StateState Ophthalmic Cell/State Health Society
DistrictDistrict Blindness Control Society
Tertiary careRegional Institutes of Ophthalmology, Centres of Excellence, medical colleges
Secondary careDistrict hospitals and NGO eye hospitals
Primary careSub-district hospitals, CHCs, upgraded PHCs, mobile ophthalmic units, link workers and Panchayats
Park's Textbook of Preventive and Social Medicine, p. 498.

School Eye Screening Programme

  • Approximately 6-7% of children aged 10-14 years have visual problems affecting learning.
  • Teachers are trained to screen children initially.
  • Children suspected of refractive error are examined by ophthalmic assistants.
  • Spectacles are prescribed or provided free to children from below-poverty-line families.
Park's Textbook of Preventive and Social Medicine, p. 498.

Other components

  • Eye donation and eye banking
  • Corneal transplantation
  • Vitamin A prophylaxis
  • Community health education
  • Regular eye check-ups
  • Eye camps, especially in remote and tribal areas
  • Prevention and treatment of childhood blindness
  • Rehabilitation for visual impairment
A recent programme outcome is that India was declared to have eliminated trachoma as a public-health problem in 2024, as reported by the Ministry of Health and Family Welfare.

Fertility rates,temporary and permanent contraceptive methods

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contraceptive methods effectiveness

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WHO family planning contraception methods permanent temporary fact sheet 2025

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Fertility Rates and Contraceptive Methods

A. Fertility Rates

Fertility refers to actual childbearing performance of a population. Only live births are included in fertility measurement. Stillbirths, fetal deaths, and abortions are excluded.

1. Crude Birth Rate (CBR)

Number of live births per 1,000 mid-year population in one year.
[ \text{CBR} = \frac{\text{Number of live births during a year}}{\text{Mid-year population}} \times 1000 ]
Limitation: It is a crude measure because the denominator includes persons not exposed to childbearing, such as men, children, and elderly people.

2. General Fertility Rate (GFR)

Number of live births per 1,000 women of reproductive age, usually 15-49 years, in one year.
[ \text{GFR} = \frac{\text{Live births during a year}}{\text{Mid-year female population aged 15-49 years}} \times 1000 ]
It is better than CBR because the denominator contains women in the reproductive period. Its limitation is that not all women in this age group are exposed to the risk of pregnancy.

3. General Marital Fertility Rate (GMFR)

Number of live births per 1,000 married women in the reproductive age group in one year.
[ \text{GMFR} = \frac{\text{Live births during a year}}{\text{Mid-year married female population aged 15-49 years}} \times 1000 ]

4. Age-Specific Fertility Rate (ASFR)

Number of live births to 1,000 women in a specified age group in one year.
[ \text{ASFR} = \frac{\text{Live births to women of a specified age group}}{\text{Mid-year female population of same age group}} \times 1000 ]
It describes the age pattern of fertility and is a sensitive indicator of family-planning achievement.

5. Age-Specific Marital Fertility Rate (ASMFR)

Number of live births per 1,000 married women in a specified age group in one year.
[ \text{ASMFR} = \frac{\text{Live births to married women of a specified age group}}{\text{Mid-year married female population of same age group}} \times 1000 ]

6. Total Fertility Rate (TFR)

TFR is the average number of children a woman would bear during her reproductive life if she experienced the current age-specific fertility rates throughout her life.
[ \text{TFR} = \frac{5 \times \sum \text{ASFR}}{1000} ]
It approximates the completed family size. A TFR of about 2.1 is considered replacement-level fertility in India under usual mortality conditions.

7. Total Marital Fertility Rate (TMFR)

Average number of children that would be born to a married woman if she experienced the current age-specific marital fertility pattern throughout her reproductive span.
[ \text{TMFR} = \frac{5 \times \sum \text{ASMFR}}{1000} ]

8. Gross Reproduction Rate (GRR)

Average number of female babies (daughters) who would be born to a woman during her reproductive life, assuming current fertility rates and no mortality.

9. Net Reproduction Rate (NRR)

Number of daughters that a newborn girl is expected to bear during her lifetime, assuming current age-specific fertility and mortality rates.
  • NRR = 1: Replacement-level reproduction, approximately the two-child norm.
  • NRR < 1: Below replacement level.
  • NRR > 1: Population is more than replacing itself.

10. Child-Woman Ratio

Number of children aged 0-4 years per 1,000 women of childbearing age, usually 15-44 or 15-49 years.
It is useful when reliable birth-registration data are unavailable.

B. Contraceptive Methods

Contraceptives are preventive methods used to avoid unwanted pregnancy. They include temporary or spacing methods and permanent or terminal methods.
Park emphasizes a cafeteria approach: couples should be offered a wide choice of methods and select a suitable method voluntarily.

I. Temporary or Spacing Methods

1. Natural methods

These avoid conception without devices, drugs, or surgery.
  • Periodic abstinence/rhythm method: Avoid intercourse during the fertile period.
  • Withdrawal/coitus interruptus: Withdrawal of penis before ejaculation.
  • Lactational amenorrhoea method (LAM): Temporary contraception during exclusive breastfeeding, when the woman remains amenorrhoeic and the infant is less than 6 months old.
  • Cervical mucus/Billings method
  • Basal body-temperature method
  • Symptothermal method

2. Barrier methods

These prevent sperm from reaching the ovum.

Physical barrier methods

  • Male condom
  • Female condom
  • Diaphragm
  • Cervical cap
  • Vaginal sponge
Condom: It is a simple spacing method and also protects against STIs, including HIV. A fresh condom must be used for every act of intercourse.

Chemical barrier methods

  • Spermicidal creams
  • Jellies
  • Foams
  • Tablets
  • Pessaries

Combined barrier methods

  • Condom plus spermicide
  • Diaphragm plus spermicide

3. Intrauterine devices (IUDs)

Devices inserted into the uterine cavity for long-term reversible contraception.
  • Copper-bearing IUDs, such as Cu-T 380A
  • Hormone-releasing IUDs, such as levonorgestrel intrauterine system
Advantages include high efficacy, long duration, reversibility, and no need for action at each coitus.

4. Hormonal methods

Oral contraceptive pills

  • Combined oral contraceptive pills
  • Progestin-only pills
  • Centchroman, a non-steroidal oral contraceptive used in India

Injectable contraceptives

  • Depot medroxyprogesterone acetate, DMPA
  • Other progestin injectables

Implants

  • Subdermal progestin implants providing long-term reversible contraception.

Emergency contraception

Used after unprotected intercourse or contraceptive failure, within the recommended time period.

5. Post-conceptional methods

These prevent continuation of pregnancy after conception.
  • Emergency contraception
  • Medical termination of pregnancy under legally permitted conditions
MTP is not a routine contraceptive method, but it helps prevent morbidity and mortality from unsafe abortion.

II. Permanent or Terminal Methods

These are meant for couples who have completed their family. They should be chosen only after voluntary, informed counselling.

1. Male sterilization: Vasectomy

  • Vas deferens are cut and ligated to prevent sperm from entering semen.
  • The no-scalpel vasectomy technique is commonly used.
  • It is simpler, faster, safer, and less costly than female sterilization.
  • It does not cause immediate sterility. Another contraceptive method is required until azoospermia is confirmed after the procedure.

2. Female sterilization: Tubectomy/Tubal ligation

  • Fallopian tubes are cut, ligated, clipped, or blocked to prevent meeting of sperm and ovum.
  • Types include:
    • Interval tubectomy
    • Postpartum tubectomy
    • Laparoscopic tubectomy
    • Minilaparotomy

Classification at a Glance

Temporary/spacing methodsPermanent/terminal methods
Natural methodsVasectomy/no-scalpel vasectomy
Barrier methods: condoms, diaphragm, spermicidesTubectomy/tubal ligation
IUDs: copper IUD, hormonal IUDPostpartum or interval female sterilization
Hormonal methods: pills, injectables, implants
Emergency contraception
Lactational amenorrhoea method
Source: Park's Textbook of Preventive and Social Medicine, pp. 575-577 and 581 onward.

Describe demographic cycle with special emphasis on our country and demographic transition and age pyramid ,eligible couples and couples protection rate

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Hypertension ,diabetes ,obesity ,accidents,coronary heart disease from park

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This is a broad set of noncommunicable diseases and injury topics in Park. It can be divided into:
  1. Hypertension
    • Definition and classification
    • Risk factors, complications, prevention, screening, and control
  2. Diabetes mellitus
    • Diagnosis, epidemiology, risk factors, complications, prevention, and control
  3. Obesity
    • BMI and central obesity criteria
    • Causes, health effects, prevention, and management
  4. Accidents
    • Epidemiology, types, host-agent-environment factors
    • Road-traffic accidents and prevention using the Haddon matrix
  5. Coronary heart disease
    • Epidemiology, risk factors, prevention, screening, and rehabilitation
These conditions share major modifiable risk factors: tobacco use, unhealthy diet, physical inactivity, harmful alcohol use, obesity, hypertension, diabetes, and dyslipidaemia. In public health, prevention focuses on health promotion, early detection, treatment, and rehabilitation.
Which topic would you like first: hypertension, diabetes, obesity, accidents, or coronary heart disease?

All

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Asking for Preferences

These are five full Park topics. Choose the one to cover in detail first.

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1. Anaemia Mukt Bharat (AMB) Strategy

Anaemia Mukt Bharat is a universal strategy to reduce anaemia across India. It is delivered through the existing National Iron Plus Initiative (NIPI) and Weekly Iron and Folic Acid Supplementation (WIFS) platforms in all villages, blocks, districts, and States/UTs.

Six interventions

  1. Prophylactic iron-folic acid (IFA) supplementation.
  2. Deworming.
  3. Year-round behaviour-change communication, called “Solid Body, Smart Mind”, promoting:
    • adherence to IFA and deworming;
    • appropriate infant and young-child feeding;
    • greater intake of iron-rich, diverse, locally available and fortified foods;
    • delayed cord clamping, by 3 minutes, after delivery.
  4. Testing and treatment of anaemia, using digital methods and point-of-care treatment, especially for pregnant women and school-going adolescents.
  5. Mandatory provision of iron-folic-acid fortified foods in government-funded public-health programmes.
  6. Detection and treatment of non-nutritional causes of anaemia in endemic areas, especially malaria, haemoglobinopathies, and fluorosis.
Source: Park's Textbook of Preventive and Social Medicine, p. 756.
Exam point: The current programme is also commonly described as the 7x7x7 strategy: seven beneficiary groups, seven interventions, and seven institutional mechanisms. Park lists the six core intervention areas above.

2. POSHAN Abhiyaan

POSHAN Abhiyaan was launched by the Government of India on 18 December 2017. It aims to improve the nutrition of:
  • Children aged 0-6 years
  • Adolescent girls
  • Pregnant women
  • Lactating mothers
It uses a life-cycle approach and promotes convergence among Anganwadi Services/ICDS, Pradhan Mantri Matru Vandana Yojana, schemes for adolescent girls, Janani Suraksha Yojana, National Health Mission, Swachh Bharat Mission, and other sectors.

Targets under POSHAN Abhiyaan

TargetReduction aimed
Stunting in children 0-6 years6% overall, 2% per year
Under-nutrition/underweight in children 0-6 years6% overall, 2% per year
Anaemia in children aged 6-59 months9% overall, 3% per year
Anaemia in girls and women aged 15-49 years9% overall, 3% per year
Low birth weight6% overall, 2% per year
Source: Park's Textbook of Preventive and Social Medicine, p. 687.

3. Mission POSHAN 2.0

Mission POSHAN 2.0, also called Saksham Anganwadi and POSHAN 2.0, is the later umbrella nutrition mission. It brings together:
  • Anganwadi Services
  • POSHAN Abhiyaan
  • Scheme for Adolescent Girls

Main focus

  • Address malnutrition through a life-cycle approach, with special attention to the first 1,000 days of life.
  • Provide supplementary nutrition to children 6 months to 6 years, pregnant women, lactating mothers, and eligible adolescent girls.
  • Give additional nutrition support, including take-home rations, for children with severe acute malnutrition.
  • Strengthen Anganwadi Centres and nutrition service delivery.
  • Promote nutrition awareness, behaviour change, growth monitoring, and community participation.
  • Use technology, particularly the POSHAN Tracker, for real-time monitoring of beneficiaries and services.
  • Ensure convergence of health, sanitation, education, food, and women-and-child-development services.
POSHAN 2.0 is an updated policy framework, so it may not appear as a separate detailed heading in older editions of Park. The textbook section gives the original POSHAN Abhiyaan targets; the newer umbrella programme has since incorporated it. The Government update on POSHAN 2.0 describes this integration and the programme’s present implementation.## National Programme for Prevention and Control of Non-Communicable Diseases
The programme was previously called NPCDCS: National Programme for Prevention and Control of Cancer, Diabetes, Cardiovascular Diseases and Stroke. It was launched in 2010 in 100 districts of 21 States/UTs and later expanded across India. The current programme name is NP-NCD, the National Programme for Prevention and Control of Non-Communicable Diseases.
It addresses major NCDs, especially:
  • Hypertension and cardiovascular diseases
  • Diabetes mellitus
  • Stroke
  • Common cancers: oral, breast, and cervical
  • Chronic respiratory diseases
  • Chronic kidney disease and non-alcoholic fatty liver disease are also covered in current operational guidance.

Objectives

  1. Prevention and control of common NCDs through behaviour and lifestyle modification.
  2. Health promotion through community awareness and reduction of risk factors.
  3. Early detection, diagnosis, treatment, referral, and follow-up of common NCDs.
  4. Capacity-building of doctors, nurses, paramedics, and other health workers.
  5. Development of facilities for rehabilitative and palliative care.
  6. Strengthening the supply of essential drugs, diagnostics, equipment, and logistics.
  7. Monitoring, surveillance, research, and evaluation of NCD services.
Park's Textbook of Preventive and Social Medicine, pp. 534-535. Current NP-NCD guidance similarly emphasizes health promotion, continuity of care from screening through follow-up, workforce capacity, and supply-chain strengthening in the MoHFW NP-NCD guidelines.

Major strategies

1. Health promotion and risk-factor reduction

Health education is delivered through mass media, community education, camps, interpersonal communication, and counselling. Key messages are:
  • Eat healthy food
  • Increase physical activity
  • Avoid tobacco and alcohol
  • Manage stress
Park's Textbook of Preventive and Social Medicine, p. 534.

2. Screening

Originally, NPCDCS used opportunistic screening of people above 30 years. Current NP-NCD provides population-based screening for persons aged 30 years and above for:
  • Hypertension
  • Diabetes
  • Oral cancer
  • Breast cancer
  • Cervical cancer
Screening is provided through Ayushman Arogya Mandirs, sub-centres, PHCs, CHCs, and district hospitals.

3. Diagnosis, treatment, referral, and follow-up

The programme aims to ensure a continuum of care:
LevelMain functions
Sub-centre/Ayushman Arogya MandirHealth promotion, risk assessment, BP measurement, blood glucose screening, referral of suspected cases
PHC/CHC NCD clinicConfirmation of diagnosis, investigations, treatment, follow-up, counselling, management of uncomplicated cases
District hospital NCD clinicDetailed evaluation, management of complicated cases, specialist referral, follow-up and palliative care
Tertiary centreAdvanced specialist care for cancer, CVD, stroke, renal disease, and other complex NCDs
At CHC level, NCD clinics provide tests such as blood glucose, lipid profile, ECG, X-ray, and ultrasound as needed. Complicated diabetes, hypertension, CVD, or stroke cases are referred upward. Park's Textbook of Preventive and Social Medicine, p. 535.

4. Cancer-control component

Important activities include:
  • Early identification and referral of suspected cancer cases
  • Screening for oral, breast, and cervical cancer
  • Teaching breast self-examination and oral self-examination
  • Cervical-cancer screening as per programme protocols
  • Diagnosis, treatment, follow-up, rehabilitation, and palliative care

5. Palliative and rehabilitative care

The programme provides support for people with chronic, progressive, debilitating disease. District-level services include home-based palliative care where feasible, along with counselling and rehabilitation.

Organisation

Implementation and monitoring occur through NCD Cells at:
  1. National level
  2. State level
  3. District level
Services are integrated with the existing public health system and National Health Mission. Park's Textbook of Preventive and Social Medicine, p. 535.

Short exam summary

NP-NCD/NPCDCS is India’s national programme for prevention and control of major NCDs. Its pillars are health promotion, risk-factor reduction, population-based screening of adults aged 30 years and above, early diagnosis, treatment, referral, follow-up, rehabilitation, palliative care, capacity-building, and surveillance.## WHO Global NCD Targets
WHO set 9 voluntary global targets to be achieved by 2025 under the Global Action Plan for Prevention and Control of NCDs.
  1. 25% relative reduction in premature mortality from cardiovascular diseases, cancer, diabetes, and chronic respiratory diseases.
  2. At least 10% relative reduction in harmful use of alcohol.
  3. 10% relative reduction in prevalence of insufficient physical activity.
  4. 30% relative reduction in mean population intake of salt/sodium.
  5. 30% relative reduction in prevalence of current tobacco use among persons aged 15 years and above.
  6. 25% relative reduction in prevalence of raised blood pressure, or contain the prevalence of raised blood pressure according to national circumstances.
  7. Halt the rise in diabetes and obesity.
  8. Ensure that at least 50% of eligible people receive drug therapy and counselling, including glycaemic control, to prevent heart attacks and strokes.
  9. Ensure 80% availability of affordable basic technologies and essential medicines, including generics, required to treat major NCDs in both public and private facilities.
Mnemonic: 25-10-10-30-30-25-Halt-50-80
The official WHO monitoring framework describes these nine targets and their indicators.## Screening of Cervical, Breast, and Oral Cancer in India
Under the National Programme for Prevention and Control of Non-Communicable Diseases (NP-NCD), formerly NPCDCS, population-based screening is provided through Ayushman Arogya Mandirs and the public health system.

Target population

CancerEligible population
Oral cancerMen and women aged 30-65 years
Breast cancerWomen aged 30-65 years
Cervical cancerWomen aged 30-65 years
People who screen negative are generally re-screened after 5 years. Screening uses trained ASHAs, ANMs, MPWs, staff nurses, Community Health Officers, and medical officers, with referral through PHC, CHC, district hospital, and tertiary cancer centres.

1. Cervical cancer screening

Methods

  1. Pap smear/cervical cytology
    • Detects the long pre-invasive stage, carcinoma in situ.
    • Park mentions Pap testing from the start of sexual activity and then every 3 years. However, this is a general textbook description and should not be confused with the current Indian population-screening protocol.
  2. Visual inspection with acetic acid (VIA)
    • This is the practical, low-cost screening method used in India’s public programme.
    • Apply freshly prepared 5% acetic acid to the cervix.
    • A positive test is indicated by a well-defined opaque acetowhite lesion near the squamocolumnar junction, a circum-orificial acetowhite lesion, or dense acetowhitening over an ulceroproliferative growth.
  3. Other visual methods
    • VIAM: Visual inspection with acetic acid and magnification.
    • VILI: Visual inspection after Lugol iodine application.

Follow-up of VIA-positive women

  • Refer for further assessment at PHC/CHC/district hospital.
  • Colposcopy and biopsy provide diagnostic confirmation where indicated.
  • Eligible precancerous lesions may be treated using a single-visit approach, such as cryotherapy.
  • Lesions not suitable for ablative treatment, suspected invasive cancer, or high-grade lesions require biopsy and referral to a specialist/tertiary cancer centre.
Why VIA is important in India: Pap smear needs laboratories, equipment, and trained cytology personnel. VIA is inexpensive, easy to perform after training, and has sensitivity comparable to cytology-based screening in many settings.
Park's Textbook of Preventive and Social Medicine, p. 437.

2. Breast cancer screening

Methods of early detection

  1. Breast self-examination (BSE)
    • Women should be taught breast awareness/self-examination.
    • It helps women identify a lump, thickening, nipple change, or other abnormality early.
    • Park considers it a useful adjunct for early case detection.
  2. Clinical breast examination (CBE)
    • Systematic inspection and palpation of both breasts and axillary lymph nodes by a trained health worker.
    • This is the main population-based screening method in the Indian public-health programme.
  3. Mammography
    • Most sensitive and specific method for detecting small tumours that may be missed on palpation.
    • It is not suitable for universal mass screening in resource-constrained areas because it requires good equipment and experienced radiologists.
    • Park also highlights radiation exposure and false-positive results as limitations.
    • Women under 35 years should not have mammography/X-ray screening unless symptomatic or with a family history of early-onset breast cancer.
  4. Thermography
    • No radiation exposure, but it is not sufficiently sensitive.

Referral

Women with a suspicious lump or abnormal CBE are referred for diagnostic imaging, usually ultrasonography/mammography as appropriate, followed by FNAC/core biopsy or other specialist evaluation.
Park's Textbook of Preventive and Social Medicine, p. 437.

3. Oral cancer screening

Method: Oral visual examination (OVE)

  • The oral cavity is easily accessible for direct inspection.
  • Trained health workers inspect the lips, buccal mucosa, gingiva, tongue, floor of mouth, palate, and oropharynx using adequate light and gloves.
  • It is particularly important for high-risk persons:
    • tobacco smokers;
    • smokeless-tobacco users;
    • betel quid/areca nut users;
    • alcohol users.

Suspicious findings

Refer if any of the following are seen:
  • Non-healing ulcer or sore, especially lasting more than 2 weeks
  • White patch: leukoplakia
  • Red patch: erythroplakia
  • Red-and-white lesion
  • Induration, swelling, nodule, or unexplained bleeding
  • Restricted tongue movement, difficulty chewing/swallowing, or persistent hoarseness

Follow-up

  • A suspected lesion should be referred to PHC/CHC/district hospital for detailed intra-oral examination.
  • Biopsy and histopathology confirm the diagnosis.
  • Tobacco cessation counselling and referral to tobacco-cessation services are essential.
  • Precancerous oral lesions can be detected long before invasive cancer develops. Tobacco cessation may reverse or prevent progression of lesions such as leukoplakia.
Park's Textbook of Preventive and Social Medicine, pp. 438-439.

One-line comparison for exams

CancerPrimary screening method in India
Cervical cancerVIA with 5% acetic acid
Breast cancerClinical breast examination
Oral cancerOral visual examination
The Government cancer-screening framework supports screening of oral cancer in men and women and breast/cervical cancer in women aged 30-65 years, with a 5-year screening interval after a negative result.## Role of ASHA and ANM

1. ASHA: Accredited Social Health Activist

ASHA is a village-level health activist, selected from the community. The general norm is one ASHA per 1,000 population.

Functions of ASHA

  1. Health education and awareness
    • Creates awareness about nutrition, sanitation, hygiene, healthy living and working conditions.
    • Informs people about available health services and encourages their timely use.
  2. Maternal and child health counselling
    • Counsels women on birth preparedness, safe delivery, breastfeeding, complementary feeding, immunization, contraception, newborn and child care.
    • Educates about prevention of RTIs/STIs and common infections.
  3. Mobilization and link worker role
    • Mobilizes people to use Anganwadi, sub-centre, PHC and other government services.
    • Facilitates ANC, PNC, immunization, supplementary nutrition, sanitation and family-planning services.
  4. Village health planning
    • Works with the Village Health, Sanitation and Nutrition Committee/Gram Panchayat to prepare the village health plan.
  5. Escort and referral
    • Accompanies pregnant women and sick children to PHC, CHC, First Referral Unit, or hospital when needed.
  6. Basic care and treatment
    • Provides first aid and care for minor ailments such as diarrhoea and fever.
    • Works as a DOTS provider for tuberculosis treatment.
  7. Drug-depot holder
    • Keeps and provides essential supplies such as ORS, IFA tablets, condoms, oral contraceptive pills, disposable delivery kits, and other drugs in the ASHA kit.
  8. Disease surveillance
    • Reports births, deaths, unusual health events, and suspected disease outbreaks to the sub-centre/PHC.
  9. Sanitation promotion
    • Promotes household toilet construction and use under sanitation programmes.
Source: Park's Textbook of Preventive and Social Medicine, pp. 997-998.

2. ANM: Auxiliary Nurse Midwife/Health Worker Female

One ANM is posted at a sub-centre and, with the male health worker, covers around 5,000 population in plains and 3,000 population in tribal/hilly areas. Her work is mainly among 350-500 families.

Functions of ANM

A. Maternal health

  • Registers every pregnant woman and provides antenatal care.
  • Ensures at least four antenatal check-ups.
  • Tests urine for albumin and sugar and estimates haemoglobin.
  • Refers pregnant women for RPR testing for syphilis.
  • Identifies and refers high-risk or abnormal pregnancies.
  • Conducts deliveries where necessary and supervises deliveries by dais.
  • Refers difficult labour and sick/abnormal newborns for institutional care.
  • Helps implement Janani Suraksha Yojana.
  • Tracks pregnancies for scheduled ANC and PNC services.

B. Postnatal and newborn care

  • Makes postnatal visits:
    • Home/sub-centre delivery: day 0, 3, 7, and 42
    • Institutional delivery: day 3, 7, and 42
  • Makes extra visits for low-birth-weight babies.
  • Promotes breastfeeding within one hour of birth, exclusive breastfeeding for six months, and appropriate complementary feeding after six months.
  • Assesses child growth and development and refers when necessary.

C. Child health and nutrition

  • Treats minor ailments such as diarrhoea and ARI/pneumonia according to guidelines.
  • Identifies and refers severe dehydration, respiratory distress, severe acute malnutrition, and serious illness.
  • Educates mothers regarding nutrition, child care, hygiene, immunization, and prevention of communicable diseases.

D. Family planning

  • Maintains and updates the eligible-couple register.
  • Distributes condoms and oral contraceptive pills.
  • Motivates couples for family planning and arranges referral where needed.
  • Provides follow-up to family-planning acceptors and manages or refers side effects.
  • Maintains contraceptive supply through depot holders.

E. Immunization and communicable-disease control

  • Conducts/supports immunization activities.
  • Maintains cold chain and vaccine supplies.
  • Participates in surveillance, reporting, and control activities for communicable diseases.

F. Health education and records

  • Provides individual and group health education on MCH, family planning, nutrition, sanitation, immunization, and disease prevention.
  • Maintains records, registers, reports, and surveys required for health programmes.

G. Guidance of ASHA

  • Holds weekly or fortnightly meetings with ASHA.
  • Trains and guides ASHA.
  • Informs ASHA about outreach sessions and helps mobilize beneficiaries.
  • Uses ASHA to update eligible-couple registers, motivate women for ANC, IFA consumption, tetanus vaccination, institutional delivery, and family planning.
  • Trains ASHA to recognize danger signs in pregnancy and labour.
Source: Park's Textbook of Preventive and Social Medicine, pp. 998, 1009-1012.

Key difference

ASHAANM
Community-based health activist and link workerTrained multipurpose female health worker at sub-centre
Focuses on awareness, mobilization, home visits, basic care and referralProvides clinical preventive, promotive and basic curative services
Facilitates access to servicesDelivers and supervises services
Works under the guidance of ANMSupervises, trains and supports ASHA
Health planning is a continuous, systematic process of identifying community health problems and needs, setting realistic goals, selecting strategies, implementing action, monitoring progress, and evaluating results.

Steps of the health planning cycle

  1. Analysis of the health situation
    • Collect, assess, and interpret data to identify health problems, needs, and demands.
    • Data include:
      • Population size and age-sex structure
      • Morbidity and mortality statistics
      • Distribution and epidemiology of diseases
      • Existing health facilities and agencies
      • Available manpower and training facilities
      • Community attitudes and beliefs
  2. Establishment of objectives and goals
    • Objectives guide action and provide standards for later assessment.
    • They should be clear, realistic, feasible, and time-bound.
    • Goals are the ultimate desired health state towards which objectives and resources are directed.
  3. Assessment of resources
    • Assess available and required:
      • Manpower
      • Money
      • Materials
      • Skills
      • Knowledge
      • Techniques
      • Time
    • A balance is made between resources needed and those available or likely to become available.
  4. Fixing priorities
    • Since resources are limited, health problems are ranked in order of importance.
    • Consider:
      • Magnitude of morbidity and mortality
      • Financial constraints
      • Cost and feasibility of prevention
      • Social value, such as saving younger lives
      • Political and community interests
    • Alternative plans are formulated and the most practicable and effective one is selected.
  5. Write-up of the formulated plan
    • Prepare a detailed written plan.
    • Specify:
      • Inputs or resources required
      • Expected outputs
      • Activities and stages
      • Costs
      • Time schedule
      • Responsibilities
      • Built-in evaluation system
  6. Programming and implementation
    • After approval, the plan is put into action.
    • It requires:
      • Clearly defined roles and tasks
      • Selection, training, motivation, and supervision of staff
      • Good organization and communication
      • Delegation of authority and fixation of responsibility
  7. Monitoring
    • Continuous day-to-day follow-up during implementation.
    • It checks whether activities are proceeding according to the plan and schedule.
    • Deviations are identified and corrected promptly.
  8. Evaluation
    • Assesses whether stated objectives and targets have been achieved.
    • Measures adequacy, efficiency, effectiveness, acceptance, productivity, and cost-effectiveness.
    • Provides feedback for revising priorities, reallocating resources, and improving future plans.

Flowchart

Analysis of health situation
Objectives and goals
Assessment of resources
Fixing priorities and choosing alternatives
Formulation/write-up of plan
Programming and implementation
Monitoring
Evaluation and feedback
→ back to analysis of health situation
Source: Park's Textbook of Preventive and Social Medicine, p. 974.## Levels of Health Care in India According to Park
Health services are organized into three levels, with referral from lower to higher levels:
Sub-centre/PHC → CHC/District Hospital → Tertiary hospital

1. Primary Health Care

Primary health care is the first level of contact between an individual and the health system. It provides essential health care close to where people live, with community participation.
In India, it is delivered mainly through:
  • Sub-centres
  • Primary Health Centres (PHCs)
  • Village-level workers such as ASHA and Anganwadi workers
Most common health problems should be managed at this level.
Park's Textbook of Preventive and Social Medicine, p. 98.

A. Sub-centre

Definition

A sub-centre is the most peripheral outpost of the rural health-delivery system and forms the first interface between the community and the public-health system.

Population norms

AreaPopulation served by one sub-centre
Plains/general areas5,000
Hilly, tribal and backward areas3,000

Staff

Traditionally, a sub-centre has:
  • One Health Worker Female/ANM
  • One Health Worker Male/MPW
  • ASHA supports community-level work.
One Lady Health Visitor/Health Assistant Female and one Health Assistant Male at the PHC supervise about six sub-centres.

Main services

Sub-centres provide promotive, preventive, and limited curative care, including:
  • Maternal and child health care
  • Antenatal and postnatal care
  • Family planning and contraceptive services
  • Immunization
  • Nutrition education, IFA supplementation, and growth monitoring
  • Prevention and control of communicable diseases
  • Basic treatment for minor ailments and first aid
  • Health education, sanitation, and safe-water promotion
  • Disease surveillance, reporting of births and deaths
  • Referral of high-risk pregnancy, sick newborns, severe illness, and other cases.

Types of sub-centres

TypeFeature
Type AProvides all basic services but does not routinely conduct deliveries
Type B or MCH sub-centreProvides basic services plus delivery services
Park's Textbook of Preventive and Social Medicine, pp. 999-1001.

B. Primary Health Centre (PHC)

Definition

The Bhore Committee described the PHC as a basic health unit that provides integrated curative and preventive health care, as close to people as possible, with special emphasis on prevention and health promotion.

Population norms

AreaPopulation served by one PHC
Plains30,000
Hilly, tribal and backward areas20,000
A PHC generally supervises about six sub-centres.

Bed strength

Under IPHS, a PHC serving 20,000-30,000 population has six beds. Block-level PHCs may be upgraded to CHCs with 30 beds.

Functions of PHC

  1. Medical care for common illnesses
  2. Maternal and child health services, including family planning
  3. Safe water and basic sanitation
  4. Control of locally endemic diseases
  5. Collection and reporting of vital statistics
  6. Health education
  7. Implementation of national health programmes
  8. Referral services
  9. Training of health guides, health workers, local dais, and health assistants
  10. Basic laboratory services

Services

  • OPD services
  • Basic inpatient care
  • First aid, emergency stabilization, and referral
  • ANC, PNC, normal delivery services where available
  • Immunization
  • Contraceptive and family-planning services
  • Basic laboratory investigations
  • Implementation of disease-control programmes
  • NCD screening and follow-up.
Park's Textbook of Preventive and Social Medicine, pp. 1002-1003.

2. Secondary Health Care

Definition

Secondary care manages more complex health problems that cannot be handled at primary level. It provides mainly curative services and is the first referral level of the health system.

Institutions

  • Community Health Centre (CHC)
  • Sub-district/sub-divisional hospital
  • District hospital

Community Health Centre

A CHC is a referral facility for PHCs and is generally expected to provide specialist services such as:
  • Medicine
  • Surgery
  • Obstetrics and gynaecology
  • Paediatrics
It provides emergency services, specialist consultation, inpatient care, operative facilities, laboratory and diagnostic support, and referral for cases requiring advanced care.

Functions

  • Manages referred obstetric, medical, surgical, paediatric, and emergency cases.
  • Provides comprehensive emergency obstetric and newborn care where designated.
  • Provides inpatient care, diagnostics, and specialist services.
  • Supports PHCs through referral, supervision, training, and programme implementation.
  • Refers super-specialty or highly complicated cases to tertiary hospitals.
Park's Textbook of Preventive and Social Medicine, p. 98.

3. Tertiary Health Care

Definition

Tertiary care provides super-specialist care for complex conditions requiring advanced expertise, technology, and facilities.

Institutions

  • Medical college hospitals
  • Regional hospitals
  • Central government hospitals
  • AIIMS and other apex institutions
  • Speciality and super-speciality hospitals

Services

  • Advanced investigations and procedures
  • Super-specialist medical and surgical care
  • Intensive care and management of complicated referred cases
  • Cancer treatment, neurosurgery, cardiothoracic surgery, renal replacement therapy, etc.
  • Teaching and training of specialist staff
  • Research, planning, managerial support, and technical guidance for lower health-care levels.
Tertiary institutions also support and complement primary-level services through expertise, training, referral support, and research.
Park's Textbook of Preventive and Social Medicine, p. 98.

Comparison Table

FeatureSub-centrePHCSecondary careTertiary care
LevelPeripheral primary-care unitPrimary-care facilityFirst referral levelSuper-specialist referral level
Population norm5,000 plains, 3,000 hilly/tribal30,000 plains, 20,000 hilly/tribalServes referrals from PHCsServes referrals from secondary facilities
Main staffANM, MPW, ASHA supportMedical officer and health teamSpecialists and hospital teamSuper-specialists and advanced multidisciplinary team
Main focusPromotion, prevention, MCH, limited curative careIntegrated preventive, promotive, curative care and referralSpecialist curative and inpatient careComplex, advanced, super-specialist care
ExamplesHealth sub-centre/Ayushman Arogya MandirPHCCHC, district hospitalMedical college, AIIMS, speciality hospital
Referral pyramid:
Community/ASHA → Sub-centre → PHC → CHC/District Hospital → Tertiary Hospital## NACO
NACO stands for National AIDS Control Organization.
It is a separate wing/division under the Ministry of Health and Family Welfare, Government of India, created to implement, coordinate, and closely monitor the National AIDS Control Programme (NACP).

Aim of National AIDS Control Programme

  1. Prevent further transmission of HIV.
  2. Reduce morbidity and mortality associated with HIV infection.
  3. Minimize the socioeconomic impact of HIV/AIDS.
Park's Textbook of Preventive and Social Medicine, p. 488.

Brief history and phases

YearEvent
1986First HIV case detected in India; AIDS Task Force set up by ICMR; National AIDS Committee established
1987National AIDS Control Programme launched
1990Medium-Term Plan initiated
1992NACP-I launched; NACO set up
1999NACP-II began, focusing on behaviour change, decentralization, and NGO participation; State AIDS Control Societies established
2002National AIDS Control Policy and National Blood Policy adopted
2004Free antiretroviral treatment initiated
2006National Council on AIDS constituted under the Prime Minister; National Paediatric ART Policy formulated
2007-2012NACP-III
2012-2017NACP-IV
2017 onwardsNational Strategic Plan for HIV/AIDS and STIs
Park's Textbook of Preventive and Social Medicine, p. 488.

Components/activities under NACO

1. HIV surveillance

  • Establish surveillance centres throughout the country.
  • Monitor HIV prevalence and trends through sentinel surveillance.
  • Identify geographical areas and population groups at higher risk.

2. Targeted interventions

Targeted prevention services for key/high-risk populations, such as:
  • Female sex workers
  • Men who have sex with men
  • Transgender persons
  • Injecting-drug users
  • Migrant and bridge populations
Services include behaviour-change communication, condom promotion, STI services, HIV testing, and linkage to treatment.

3. Information, education and communication

  • Create awareness about HIV transmission and prevention.
  • Promote safe sexual behaviour and condom use.
  • Reduce HIV-related stigma and discrimination.
  • Encourage voluntary HIV testing, treatment adherence, and care seeking.
  • Conduct youth and school-focused awareness programmes.

4. HIV testing services

  • Integrated Counselling and Testing Centres (ICTCs).
  • Provider-initiated testing and counselling where indicated.
  • Community-based screening and linkage to care.
  • Pre-test and post-test counselling.

5. Prevention of parent-to-child transmission

  • HIV testing and counselling for pregnant women.
  • Antiretroviral therapy for HIV-positive pregnant/breastfeeding women.
  • Early diagnosis and treatment of HIV-exposed infants.
  • Counselling on infant feeding and follow-up.

6. Care, support and treatment

  • Free antiretroviral therapy through ART centres.
  • Management of opportunistic infections.
  • Viral-load testing and treatment monitoring.
  • Adherence counselling, psychosocial support, and referral services.
  • Linkage with TB services for HIV-TB collaborative activities.

7. Sexually transmitted infection/reproductive tract infection control

  • Establish and support STI/RTI clinics up to district level.
  • Syndromic case management, laboratory support, training, and drug kits.
  • Promote early diagnosis and treatment of STIs, which reduce the risk of HIV transmission.

8. Blood safety

  • Ensure safe blood and blood products.
  • Promote voluntary non-remunerated blood donation.
  • Screen donated blood for HIV and other transfusion-transmissible infections.
  • Strengthen blood banks, blood-component separation units, and quality assurance.

9. Condom programme

  • Ensure availability and promotion of condoms for HIV and STI prevention.
  • Social marketing and free distribution in high-risk settings.

10. Strategic information

  • Monitoring and evaluation
  • Surveillance
  • Programme research
  • Data analysis
  • Recording and reporting

Organizational structure

At the national level, NACO is headed by the Additional Secretary, MoHFW and Director General, NACO. Technical divisions are headed by officers at Deputy Director General level.
Major divisions include:
  • Targeted Intervention and Link Worker Scheme
  • Basic services: ICTC, PPTCT, and HIV-TB coordination
  • STI/RTI management
  • Blood safety
  • Laboratory services
  • Care, support, and treatment
  • Information, education, and communication
  • Strategic information: surveillance, monitoring, evaluation, research, and data analysis
  • Finance, administration, and procurement
At State level, implementation is through State AIDS Control Societies (SACS), with decentralised programme activities at district and facility levels.
Park's Textbook of Preventive and Social Medicine, pp. 488-489.

NACP-IV goal

The primary goal of NACP-IV was to:
Halt and reverse the HIV epidemic in India by integrating prevention, care, support, and treatment services.

Current update

The current phase, NACP-V, aims to carry India toward SDG 3.3, ending AIDS as a public-health threat by 2030. It builds on test-and-treat, universal viral-load testing, community-based screening, dolutegravir-based ART, and integrated prevention-test-treat-care services. See the official NACP-V overview.## Visual Impairment and Blindness

Definition

According to WHO, blindness is presenting visual acuity of less than 3/60 in the better eye, with available correction.

ICD-11 classification of distance visual impairment

CategoryPresenting visual acuity
Mild visual impairmentWorse than 6/12
Moderate visual impairmentWorse than 6/18
Severe visual impairmentWorse than 6/60
BlindnessWorse than 3/60
Near visual impairment: Presenting near vision worse than N6 or M0.8 at 40 cm, with existing correction.
Park's Textbook of Preventive and Social Medicine, p. 452.

Epidemiology of Blindness

Major global causes

Cause of moderate-to-severe visual impairmentProportion
Uncorrected refractive errors53%
Unoperated cataract25%
Age-related macular degeneration4%
Glaucoma2%
Diabetic retinopathy1%
Major causes of blindness globally are:
  1. Unoperated cataract: 35%
  2. Uncorrected refractive error: 21%
  3. Glaucoma: 8%
In South-East Asia, cataract accounts for approximately 50-80% of blindness. Emerging important causes are glaucoma, age-related macular degeneration, diabetic retinopathy, corneal ulcer, and ocular trauma.
Park's Textbook of Preventive and Social Medicine, pp. 453-454.

Causes of blindness in India

According to the 2015-19 National Survey on Blindness, the causes include:
CausePercentage
Untreated cataract66.2%
Cataract surgical complications7.2%
Non-trachomatous corneal opacity7.4%
Other posterior-segment diseases5.9%
Glaucoma5.5%
Phthisis bulbi2.8%
Uncorrected aphakia1.7%
Diabetic retinopathy1.2%
Trachomatous corneal opacity0.8%
Age-related macular degeneration0.7%
Refractive error0.1%
Thus, cataract is the leading cause of blindness in India.
Park's Textbook of Preventive and Social Medicine, p. 454.

Epidemiological determinants

  1. Age
    • Children and young people: refractive errors, trachoma, conjunctivitis, and vitamin A deficiency.
    • Middle age: cataract, refractive errors, glaucoma, and diabetes.
    • Injury and trauma occur at all ages, especially 20-40 years.
  2. Sex
    • Blindness is reported more commonly in females than males in India, partly due to a higher prevalence of cataract, conjunctivitis, and trachoma.
  3. Malnutrition
    • Vitamin A deficiency, especially with measles, diarrhoea, and protein-energy malnutrition, may cause xerophthalmia and keratomalacia.
    • Severe corneal destruction due to vitamin A deficiency mainly affects children aged 6 months to 3 years.
  4. Occupation
    • Factory, workshop, and cottage-industry workers are exposed to dust, flying particles, chemicals, fumes, welding flash, radiation, and trauma.
  5. Social class and social factors
    • Blindness is more common among poorer populations.
    • Important factors are poverty, ignorance, poor hygiene, inadequate eye-care services, and harmful treatment by unqualified persons.
Park's Textbook of Preventive and Social Medicine, pp. 454-455.

Vision 2020: The Right to Sight

Vision 2020: The Right to Sight was launched by WHO on 18 February 1999 as a global initiative to eliminate avoidable blindness.

Central concept

It recognizes sight as a fundamental human right.

Objective

To help member countries develop sustainable eye-care systems that eliminate avoidable blindness due to:
  • Cataract
  • Xerophthalmia and other causes of childhood blindness
  • Refractive errors and low vision
  • Trachoma
  • Other causes of corneal blindness
The intended target year was 2020.
Park's Textbook of Preventive and Social Medicine, p. 456.

National Programme for Control of Blindness and Visual Impairment

NPCBVI

The National Programme for Control of Blindness (NPCB) was launched in 1976 as a 100% centrally sponsored programme. It incorporated the earlier National Trachoma Control Programme of 1968.

Goal

To reduce the prevalence of blindness from 1.4% to 0.3%.
Park cites blindness prevalence as 0.36% in the 2015-19 survey.
Park's Textbook of Preventive and Social Medicine, p. 496.

Objectives of NPCBVI

  1. Continue the three signature activities:
    • About 66 lakh cataract operations per year
    • School eye screening and distribution of 9 lakh free spectacles annually to children with refractive error
    • Collection of 50,000 donated eyes per year for keratoplasty
  2. Reduce the backlog of avoidable blindness through identification and treatment of curable blindness at primary, secondary, and tertiary levels.
  3. Provide comprehensive universal eye-care services and quality service delivery under the concept of Eye Health for All.
  4. Strengthen Regional Institutes of Ophthalmology, medical colleges, district hospitals, sub-district hospitals, vision centres, NGO eye hospitals, and other eye-care institutions.
  5. Strengthen infrastructure and develop human resources for comprehensive eye care in all districts.
  6. Enhance community awareness and preventive eye-care practices.
  7. Promote research on prevention of blindness and visual impairment.
  8. Ensure participation of voluntary organizations and private practitioners in eye-care delivery.
Park's Textbook of Preventive and Social Medicine, pp. 496-497.

Major strategies

  1. Free cataract surgery, including intraocular lens implantation, through government, NGO, and private-sector participation.
  2. Comprehensive eye care for diseases other than cataract:
    • Diabetic retinopathy
    • Glaucoma
    • Corneal blindness and corneal transplantation
    • Vitreo-retinal disorders
    • Childhood blindness
  3. Active screening of people above 50 years, eye camps, and transport of operable cataract cases to fixed facilities.
  4. School eye screening to detect refractive errors and provide free spectacles to eligible children.
  5. Public-private partnership to cover underserved regions.
  6. Training and capacity-building of health personnel.
  7. Information, education, and communication activities for eye-care awareness.
  8. Upgrading Regional Institutes of Ophthalmology and medical colleges as centres of excellence.
  9. Strengthening district hospitals with ophthalmologists, ophthalmic assistants, equipment, drugs, and infrastructure.
  10. Establishing vision centres at PHCs, with a paramedical ophthalmic assistant.
  11. Use of mobile ophthalmic units for remote areas.
Park's Textbook of Preventive and Social Medicine, p. 497.

Organisation and service-delivery system

LevelInstitution/service
CentralOphthalmology Section, Directorate General of Health Services, Ministry of Health and Family Welfare
StateState Ophthalmic Cell/State Health Society
DistrictDistrict Blindness Control Society
Tertiary careRegional Institutes of Ophthalmology, Centres of Excellence, medical colleges
Secondary careDistrict hospitals and NGO eye hospitals
Primary careSub-district hospitals, CHCs, upgraded PHCs, mobile ophthalmic units, link workers and Panchayats
Park's Textbook of Preventive and Social Medicine, p. 498.

School Eye Screening Programme

  • Approximately 6-7% of children aged 10-14 years have visual problems affecting learning.
  • Teachers are trained to screen children initially.
  • Children suspected of refractive error are examined by ophthalmic assistants.
  • Spectacles are prescribed or provided free to children from below-poverty-line families.
Park's Textbook of Preventive and Social Medicine, p. 498.

Other components

  • Eye donation and eye banking
  • Corneal transplantation
  • Vitamin A prophylaxis
  • Community health education
  • Regular eye check-ups
  • Eye camps, especially in remote and tribal areas
  • Prevention and treatment of childhood blindness
  • Rehabilitation for visual impairment
A recent programme outcome is that India was declared to have eliminated trachoma as a public-health problem in 2024, as reported by the Ministry of Health and Family Welfare.## Fertility Rates and Contraceptive Methods

A. Fertility Rates

Fertility refers to actual childbearing performance of a population. Only live births are included in fertility measurement. Stillbirths, fetal deaths, and abortions are excluded.

1. Crude Birth Rate (CBR)

Number of live births per 1,000 mid-year population in one year.
[ \text{CBR} = \frac{\text{Number of live births during a year}}{\text{Mid-year population}} \times 1000 ]
Limitation: It is a crude measure because the denominator includes persons not exposed to childbearing, such as men, children, and elderly people.

2. General Fertility Rate (GFR)

Number of live births per 1,000 women of reproductive age, usually 15-49 years, in one year.
[ \text{GFR} = \frac{\text{Live births during a year}}{\text{Mid-year female population aged 15-49 years}} \times 1000 ]
It is better than CBR because the denominator contains women in the reproductive period. Its limitation is that not all women in this age group are exposed to the risk of pregnancy.

3. General Marital Fertility Rate (GMFR)

Number of live births per 1,000 married women in the reproductive age group in one year.
[ \text{GMFR} = \frac{\text{Live births during a year}}{\text{Mid-year married female population aged 15-49 years}} \times 1000 ]

4. Age-Specific Fertility Rate (ASFR)

Number of live births to 1,000 women in a specified age group in one year.
[ \text{ASFR} = \frac{\text{Live births to women of a specified age group}}{\text{Mid-year female population of same age group}} \times 1000 ]
It describes the age pattern of fertility and is a sensitive indicator of family-planning achievement.

5. Age-Specific Marital Fertility Rate (ASMFR)

Number of live births per 1,000 married women in a specified age group in one year.
[ \text{ASMFR} = \frac{\text{Live births to married women of a specified age group}}{\text{Mid-year married female population of same age group}} \times 1000 ]

6. Total Fertility Rate (TFR)

TFR is the average number of children a woman would bear during her reproductive life if she experienced the current age-specific fertility rates throughout her life.
[ \text{TFR} = \frac{5 \times \sum \text{ASFR}}{1000} ]
It approximates the completed family size. A TFR of about 2.1 is considered replacement-level fertility in India under usual mortality conditions.

7. Total Marital Fertility Rate (TMFR)

Average number of children that would be born to a married woman if she experienced the current age-specific marital fertility pattern throughout her reproductive span.
[ \text{TMFR} = \frac{5 \times \sum \text{ASMFR}}{1000} ]

8. Gross Reproduction Rate (GRR)

Average number of female babies (daughters) who would be born to a woman during her reproductive life, assuming current fertility rates and no mortality.

9. Net Reproduction Rate (NRR)

Number of daughters that a newborn girl is expected to bear during her lifetime, assuming current age-specific fertility and mortality rates.
  • NRR = 1: Replacement-level reproduction, approximately the two-child norm.
  • NRR < 1: Below replacement level.
  • NRR > 1: Population is more than replacing itself.

10. Child-Woman Ratio

Number of children aged 0-4 years per 1,000 women of childbearing age, usually 15-44 or 15-49 years.
It is useful when reliable birth-registration data are unavailable.

B. Contraceptive Methods

Contraceptives are preventive methods used to avoid unwanted pregnancy. They include temporary or spacing methods and permanent or terminal methods.
Park emphasizes a cafeteria approach: couples should be offered a wide choice of methods and select a suitable method voluntarily.

I. Temporary or Spacing Methods

1. Natural methods

These avoid conception without devices, drugs, or surgery.
  • Periodic abstinence/rhythm method: Avoid intercourse during the fertile period.
  • Withdrawal/coitus interruptus: Withdrawal of penis before ejaculation.
  • Lactational amenorrhoea method (LAM): Temporary contraception during exclusive breastfeeding, when the woman remains amenorrhoeic and the infant is less than 6 months old.
  • Cervical mucus/Billings method
  • Basal body-temperature method
  • Symptothermal method

2. Barrier methods

These prevent sperm from reaching the ovum.

Physical barrier methods

  • Male condom
  • Female condom
  • Diaphragm
  • Cervical cap
  • Vaginal sponge
Condom: It is a simple spacing method and also protects against STIs, including HIV. A fresh condom must be used for every act of intercourse.

Chemical barrier methods

  • Spermicidal creams
  • Jellies
  • Foams
  • Tablets
  • Pessaries

Combined barrier methods

  • Condom plus spermicide
  • Diaphragm plus spermicide

3. Intrauterine devices (IUDs)

Devices inserted into the uterine cavity for long-term reversible contraception.
  • Copper-bearing IUDs, such as Cu-T 380A
  • Hormone-releasing IUDs, such as levonorgestrel intrauterine system
Advantages include high efficacy, long duration, reversibility, and no need for action at each coitus.

4. Hormonal methods

Oral contraceptive pills

  • Combined oral contraceptive pills
  • Progestin-only pills
  • Centchroman, a non-steroidal oral contraceptive used in India

Injectable contraceptives

  • Depot medroxyprogesterone acetate, DMPA
  • Other progestin injectables

Implants

  • Subdermal progestin implants providing long-term reversible contraception.

Emergency contraception

Used after unprotected intercourse or contraceptive failure, within the recommended time period.

5. Post-conceptional methods

These prevent continuation of pregnancy after conception.
  • Emergency contraception
  • Medical termination of pregnancy under legally permitted conditions
MTP is not a routine contraceptive method, but it helps prevent morbidity and mortality from unsafe abortion.

II. Permanent or Terminal Methods

These are meant for couples who have completed their family. They should be chosen only after voluntary, informed counselling.

1. Male sterilization: Vasectomy

  • Vas deferens are cut and ligated to prevent sperm from entering semen.
  • The no-scalpel vasectomy technique is commonly used.
  • It is simpler, faster, safer, and less costly than female sterilization.
  • It does not cause immediate sterility. Another contraceptive method is required until azoospermia is confirmed after the procedure.

2. Female sterilization: Tubectomy/Tubal ligation

  • Fallopian tubes are cut, ligated, clipped, or blocked to prevent meeting of sperm and ovum.
  • Types include:
    • Interval tubectomy
    • Postpartum tubectomy
    • Laparoscopic tubectomy
    • Minilaparotomy

Classification at a Glance

Temporary/spacing methodsPermanent/terminal methods
Natural methodsVasectomy/no-scalpel vasectomy
Barrier methods: condoms, diaphragm, spermicidesTubectomy/tubal ligation
IUDs: copper IUD, hormonal IUDPostpartum or interval female sterilization
Hormonal methods: pills, injectables, implants
Emergency contraception
Lactational amenorrhoea method
*Source: Park's Textbook of Preventive and Social Medicine, pp. 575-577 and 581 onward.*Your credits are exhausted. You can purchase a top-up or subscribe to a plan to continue using Orris. If you're already subscribed, your daily credits will reset tomorrow.This is a broad set of noncommunicable diseases and injury topics in Park. It can be divided into:
  1. Hypertension
    • Definition and classification
    • Risk factors, complications, prevention, screening, and control
  2. Diabetes mellitus
    • Diagnosis, epidemiology, risk factors, complications, prevention, and control
  3. Obesity
    • BMI and central obesity criteria
    • Causes, health effects, prevention, and management
  4. Accidents
    • Epidemiology, types, host-agent-environment factors
    • Road-traffic accidents and prevention using the Haddon matrix
  5. Coronary heart disease
    • Epidemiology, risk factors, prevention, screening, and rehabilitation
These conditions share major modifiable risk factors: tobacco use, unhealthy diet, physical inactivity, harmful alcohol use, obesity, hypertension, diabetes, and dyslipidaemia. In public health, prevention focuses on health promotion, early detection, treatment, and rehabilitation.
Which topic would you like first: hypertension, diabetes, obesity, accidents, or coronary heart disease?For a full Park-based answer, cover them one at a time:
  1. Hypertension: definition, classification, risk factors, complications, prevention and control.
  2. Diabetes mellitus: diagnostic criteria, risk factors, complications, prevention and screening.
  3. Obesity: BMI and waist criteria, causes, consequences, prevention and management.
  4. Accidents: epidemiology, types, Haddon matrix, and prevention of road traffic injuries.
  5. Coronary heart disease: epidemiology, risk factors, prevention, rehabilitation, and control.
All five share major preventable determinants: tobacco, unhealthy diet, physical inactivity, alcohol, obesity, hypertension, diabetes, and dyslipidaemia.
Tell me the topic you want first, and I will give a detailed exam-oriented note from Park.
!

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Create a quick-reference PDF for all five topics

Reading File
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Finding Sources
Finding Sources
Finding Sources
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Searching PubMed

hypertension diabetes obesity coronary disease prevention

Searching the Web

WHO noncommunicable disease hypertension diabetes obesity cardiovascular disease prevention road traffic injuries fact sheets

Reading File
Reading File
Reading File
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Browsing Directory

~/

Finding Sources
Finding Sources
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I’m compiling the five Park-based topics into an exam-oriented quick-reference PDF with definitions, key criteria, risk factors, prevention, and programme points.
Running Command

mkdir -p "/tmp/workspace/ncd-quick-reference/src" "/tmp/workspace/ncd-quick-reference/output" && python -c "import reportlab; print(reportlab.Version)"

Writing File

~/ncd-quick-reference/src/create_pdf.py

from reportlab.lib import colors
from reportlab.lib.enums import TA_CENTER
from reportlab.lib.pagesizes import A4
from reportlab.lib.styles import getSampleStyleSheet, ParagraphStyle
from reportlab.lib.units import cm
from reportlab.platypus import SimpleDocTemplate, Paragraph, Spacer, Table, TableStyle, PageBreak, KeepTogether
from reportlab.pdfbase.ttfonts import TTFont
from reportlab.pdfbase import pdfmetrics
from reportlab.lib.colors import HexColor
from reportlab.pdfbase.pdfmetrics import stringWidth

OUT = '/tmp/workspace/ncd-quick-reference/output/Park_NCD_Quick_Reference.pdf'

# Fonts
try:
    pdfmetrics.registerFont(TTFont('DejaVu', '/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf'))
    pdfmetrics.registerFont(TTFont('DejaVu-Bold', '/usr/share/fonts/truetype/dejavu/DejaVuSans-Bold.ttf'))
    FONT, BOLD = 'DejaVu', 'DejaVu-Bold'
except Exception:
    FONT, BOLD = 'Helvetica', 'Helvetica-Bold'

NAVY = HexColor('#14364A')
TEAL = HexColor('#007C83')
PALE = HexColor('#E8F4F4')
GOLD = HexColor('#F6E7B4')
GREY = HexColor('#F2F4F5')
DARK = HexColor('#20282D')
RED = HexColor('#A6342A')

styles = getSampleStyleSheet()
styles.add(ParagraphStyle(name='Title2', parent=styles['Title'], fontName=BOLD, fontSize=20, leading=24, textColor=NAVY, alignment=TA_CENTER, spaceAfter=8))
styles.add(ParagraphStyle(name='SubTitle', parent=styles['Normal'], fontName=FONT, fontSize=9.5, leading=13, textColor=HexColor('#52626C'), alignment=TA_CENTER, spaceAfter=12))
styles.add(ParagraphStyle(name='H1x', parent=styles['Heading1'], fontName=BOLD, fontSize=15, leading=18, textColor=colors.white, backColor=NAVY, borderPadding=(5,7,5,7), spaceBefore=9, spaceAfter=8))
styles.add(ParagraphStyle(name='H2x', parent=styles['Heading2'], fontName=BOLD, fontSize=11.4, leading=14, textColor=TEAL, spaceBefore=6, spaceAfter=4))
styles.add(ParagraphStyle(name='Bodyx', parent=styles['BodyText'], fontName=FONT, fontSize=8.4, leading=11.2, textColor=DARK, spaceAfter=3))
styles.add(ParagraphStyle(name='Smallx', parent=styles['BodyText'], fontName=FONT, fontSize=7.3, leading=9.2, textColor=DARK, spaceAfter=1))
styles.add(ParagraphStyle(name='Boxx', parent=styles['BodyText'], fontName=FONT, fontSize=8.2, leading=11, textColor=DARK, leftIndent=5, rightIndent=5, spaceAfter=2))
styles.add(ParagraphStyle(name='Footerx', parent=styles['Normal'], fontName=FONT, fontSize=7, leading=8, textColor=HexColor('#637078'), alignment=TA_CENTER))

P = lambda text, style='Bodyx': Paragraph(text, styles[style])

def bullets(items, style='Bodyx'):
    return [Paragraph('• ' + x, styles[style]) for x in items]

def table(rows, widths=None, fontsize=7.5):
    processed = []
    for r, row in enumerate(rows):
        processed.append([Paragraph(str(c), styles['Smallx'] if r else ParagraphStyle('th', parent=styles['Smallx'], fontName=BOLD, textColor=colors.white, leading=9)) for c in row])
    t = Table(processed, colWidths=widths, repeatRows=1, hAlign='LEFT')
    t.setStyle(TableStyle([
        ('BACKGROUND',(0,0),(-1,0),TEAL), ('TEXTCOLOR',(0,0),(-1,0),colors.white),
        ('FONTNAME',(0,0),(-1,0),BOLD), ('BACKGROUND',(0,1),(-1,-1),colors.white),
        ('ROWBACKGROUNDS',(0,1),(-1,-1),[colors.white,GREY]),
        ('GRID',(0,0),(-1,-1),0.3,HexColor('#B6C6CC')), ('VALIGN',(0,0),(-1,-1),'TOP'),
        ('LEFTPADDING',(0,0),(-1,-1),4), ('RIGHTPADDING',(0,0),(-1,-1),4),
        ('TOPPADDING',(0,0),(-1,-1),3), ('BOTTOMPADDING',(0,0),(-1,-1),3),
    ]))
    return t

def callout(title, text, color=PALE):
    t = Table([[P('<b>'+title+'</b><br/>'+text, 'Boxx')]], colWidths=[17.8*cm])
    t.setStyle(TableStyle([('BACKGROUND',(0,0),(-1,-1),color),('BOX',(0,0),(-1,-1),0.5,TEAL),('LEFTPADDING',(0,0),(-1,-1),7),('RIGHTPADDING',(0,0),(-1,-1),7),('TOPPADDING',(0,0),(-1,-1),5),('BOTTOMPADDING',(0,0),(-1,-1),5)]))
    return t

def footer(canvas, doc):
    canvas.saveState()
    canvas.setStrokeColor(HexColor('#CCD6D9')); canvas.line(1.5*cm, 1.35*cm, 19.5*cm, 1.35*cm)
    canvas.setFont(FONT, 7); canvas.setFillColor(HexColor('#637078'))
    canvas.drawString(1.5*cm, 0.92*cm, 'Park-based NCD quick reference | For revision, not individual patient prescribing')
    canvas.drawRightString(19.5*cm, 0.92*cm, f'Page {doc.page}')
    canvas.restoreState()

doc = SimpleDocTemplate(OUT, pagesize=A4, rightMargin=1.45*cm, leftMargin=1.45*cm, topMargin=1.25*cm, bottomMargin=1.65*cm)
story=[]
story += [P('Five Topics: NCD & Injury Quick Reference', 'Title2'), P('Hypertension • Diabetes mellitus • Obesity • Accidents and injuries • Coronary heart disease<br/>Based primarily on Park’s Textbook of Preventive and Social Medicine', 'SubTitle')]
story.append(callout('How to use this sheet', 'Learn each topic in the sequence: <b>definition → epidemiology/risk factors → consequences → prevention and control</b>. Values and classifications below reproduce the Park-based revision points; use current local clinical guidelines for treatment decisions.', GOLD))
story.append(Spacer(1,6))
story.append(P('Shared prevention approach', 'H2x'))
story += bullets(['Population strategy: tobacco and alcohol control, healthy food environment, reduced salt/trans-fat intake, physical activity, road safety, and health education.', 'High-risk strategy: screen, diagnose early, treat, refer and follow up people with raised BP, diabetes, obesity, dyslipidaemia, tobacco use or prior cardiovascular events.', 'NP-NCD provides health promotion, screening, early diagnosis, management, referral, rehabilitation and palliative care through the public-health system.'])

# HTN
story.append(P('1. Hypertension', 'H1x'))
story.append(P('<b>Core idea:</b> A major cardiovascular risk factor. Risk rises continuously with BP, and hypertension contributes to coronary heart disease, stroke and other vascular complications.', 'Bodyx'))
story.append(P('Park classification of adult blood pressure', 'H2x'))
story.append(table([['Category','Systolic mmHg','Diastolic mmHg'],['Optimal','<120','<80'],['Normal','120-129','and/or 80-84'],['High normal','130-139','and/or 85-89'],['Grade 1 hypertension','140-159','and/or 90-99'],['Grade 2 hypertension','160-179','and/or 100-109'],['Grade 3 hypertension','≥180','and/or >110'],['Isolated systolic hypertension','≥140','and <90']], [7.2*cm,5.3*cm,5.3*cm]))
story.append(P('Diagnosis point', 'H2x'))
story += bullets(['Classification is based on the <b>average of two or more readings on two or more occasions</b> after initial screening, in adults not on antihypertensive medicines and not acutely ill.', 'When systolic and diastolic values fall in different categories, use the <b>higher category</b>.'])
story.append(P('Risk factors and consequences', 'H2x'))
story += bullets(['Non-modifiable: age, family history/genetic susceptibility and population/ethnic factors.', 'Modifiable: high salt intake, obesity, physical inactivity, alcohol, tobacco, psychosocial stress and unhealthy diet. Diabetes and dyslipidaemia add cardiovascular risk.', 'Major outcomes: stroke, CHD, heart failure, renal disease and other vascular complications.'])
story.append(P('Prevention and control', 'H2x'))
story += bullets(['Primary prevention: maintain healthy body weight, regular physical activity, avoid tobacco, avoid harmful alcohol use, reduce salt and adopt a balanced diet rich in fruits and vegetables.', 'Secondary prevention: BP screening, confirm diagnosis with repeated measurement, assess total cardiovascular risk, lifestyle measures, appropriate drug treatment, adherence and follow-up.', 'At programme level: health education, opportunistic/population-based screening and referral through PHC/CHC/district NCD clinics.'])

# DM
story.append(P('2. Diabetes Mellitus', 'H1x'))
story.append(P('<b>Definition:</b> A group of metabolic disorders characterized by hyperglycaemia, resulting from defects in insulin secretion, insulin action, or both, with disturbed carbohydrate, fat and protein metabolism.', 'Bodyx'))
story.append(P('Key types (WHO classification summarized in Park)', 'H2x'))
story.append(table([['Type','Key feature'],['Type 1 diabetes','Mostly immune-mediated beta-cell destruction with absolute insulin deficiency; commonly begins in childhood/early adulthood.'],['Type 2 diabetes','Most common type; variable beta-cell dysfunction and insulin resistance; commonly associated with overweight and obesity.'],['Hybrid forms','Includes slowly evolving immune-mediated diabetes of adults and ketosis-prone type 2 diabetes.'],['Other specific types','Includes monogenic diabetes and diabetes due to other defined causes.'],['Hyperglycaemia first detected in pregnancy','Includes diabetes in pregnancy/gestational diabetes categories.']], [5.0*cm,12.8*cm]))
story.append(P('Risk factors and complications', 'H2x'))
story += bullets(['Type 2 diabetes risk is linked to overweight/central obesity, physical inactivity, unhealthy diet, increasing age, family history and prior dysglycaemia.', 'Microvascular complications: <b>retinopathy, nephropathy and neuropathy</b>.', 'Macrovascular/other associations: heart disease, peripheral arterial disease, cerebrovascular disease, cataract, erectile dysfunction and non-alcoholic fatty liver disease. Risk of tuberculosis and some other infections is increased.'])
story.append(P('Prevention, screening and control', 'H2x'))
story += bullets(['Prevent type 2 diabetes through healthy weight, regular activity, balanced diet and avoidance of tobacco/harmful alcohol use.', 'Screen higher-risk adults and people aged 30 years or above under NCD services; confirm abnormal results and provide continuity of care.', 'Control requires education, nutrition and activity advice, glucose monitoring as appropriate, medicines/insulin when indicated, foot care, eye and kidney surveillance, and cardiovascular risk reduction.'])

# Obesity
story.append(P('3. Obesity', 'H1x'))
story.append(P('<b>Definition:</b> Abnormal growth of adipose tissue due to enlargement of fat-cell size (hypertrophic obesity), increase in fat-cell number (hyperplastic obesity), or both.', 'Bodyx'))
story.append(P('Assessment', 'H2x'))
story += bullets(['<b>BMI = weight (kg) / height (m)<super>2</super>.</b> Park uses BMI to classify underweight, normal weight, overweight and obesity. BMI ≥25 kg/m² denotes overweight and BMI ≥30 kg/m² obesity in the standard adult classification.', 'Assess body-fat distribution, particularly central/abdominal obesity, with waist circumference and waist-hip ratio. Central obesity has greater cardiometabolic risk.', 'Interpret BMI cautiously in pregnancy, oedema, very muscular persons and some older adults.'])
story.append(P('Causes/risk factors', 'H2x'))
story += bullets(['Energy intake exceeding energy expenditure, energy-dense diets, sedentary lifestyle and reduced physical activity.', 'Genetic/familial tendency, endocrine and hypothalamic disorders, medicines, psychosocial factors and social environment can contribute.'])
story.append(P('Hazards', 'H2x'))
story += bullets(['Higher risk of hypertension, type 2 diabetes, dyslipidaemia, CHD and stroke.', 'Also associated with osteoarthritis, sleep-related breathing problems, gallbladder disease, some cancers, reduced mobility and psychosocial effects.'])
story.append(P('Prevention and management', 'H2x'))
story += bullets(['Prevention begins in childhood: nutritious diet, portion control, regular physical activity, reduced sedentary time and supportive home/school/community environments.', 'Management: realistic calorie deficit and dietary change, increased physical activity, behaviour modification, treatment of comorbidities and selected specialist therapies when indicated. Avoid unsafe crash diets.'])

# accidents
story.append(P('4. Accidents and Injuries', 'H1x'))
story.append(P('<b>Definition:</b> An accident is an unexpected, unplanned occurrence that may involve injury, or an unpremeditated event resulting in recognizable damage. Injuries are not random: they follow an epidemiological pattern and are largely preventable.', 'Bodyx'))
story.append(P('Epidemiological model', 'H2x'))
story += bullets(['Accidents result from interaction of <b>host, agent and environment</b>. Frequency varies by age, time, place and activity.', 'Susceptibility rises with alcohol/drug use, fatigue and certain physiological states.'])
story.append(P('Measurement of burden', 'H2x'))
story += bullets(['Mortality: proportional mortality due to accidents; deaths per million population; road-traffic deaths per registered vehicles; vehicle/passenger-kilometre measures.', 'Morbidity: serious and slight injuries. Under-reporting limits accuracy.', 'Disability may be temporary/permanent and partial/total; psychosocial and social consequences also matter.'])
story.append(P('Important types', 'H2x'))
story += bullets(['Road traffic accidents, domestic accidents, industrial accidents, railway accidents, drowning, poisoning, burns and falls.'])
story.append(P('Road traffic injury prevention: practical public-health points', 'H2x'))
story += bullets(['Safer road environment: road engineering, traffic separation, lighting, signage, pedestrian/cyclist protection and speed control.', 'Safer vehicles: crashworthy design, seat belts, child restraints, helmets for two-wheelers and vehicle maintenance.', 'Safer users: licensing/training, enforce speed and drink-driving laws, prevent distracted driving, helmets/seat belts, fatigue control.', 'Post-crash care: rapid rescue, first aid, ambulance systems, trauma care, rehabilitation and injury surveillance.'])
story.append(callout('Exam framework', '<b>Haddon matrix:</b> apply measures in the <b>pre-event, event and post-event</b> phases across <b>host, agent/vehicle and environment</b>.', PALE))

# CHD
story.append(P('5. Coronary Heart Disease (CHD)', 'H1x'))
story.append(P('<b>Definition:</b> Also called ischaemic heart disease. It is impairment of heart function due to inadequate coronary blood flow relative to myocardial needs, caused by obstructive coronary circulatory changes.', 'Bodyx'))
story.append(P('Clinical manifestations', 'H2x'))
story += bullets(['Angina pectoris on effort', 'Myocardial infarction', 'Arrhythmias', 'Cardiac failure', 'Sudden death'])
story.append(P('Epidemiological measures', 'H2x'))
story += bullets(['Proportional mortality ratio, CHD incidence/attack rates, mortality rates and age-specific death rates.', 'CHD incidence is the sum of fatal and non-fatal attack rates; accurate measurement is difficult because presentations vary.'])
story.append(P('Risk factors', 'H2x'))
story += bullets(['Non-modifiable: increasing age, male sex before menopause, family history/genetic predisposition.', 'Major modifiable: tobacco use, hypertension, high blood lipids, diabetes, obesity, physical inactivity, unhealthy diet and psychosocial stress.', 'Risk factors cluster. Prevention should address total cardiovascular risk rather than one factor alone.'])
story.append(P('Prevention', 'H2x'))
story += bullets(['<b>Primordial:</b> prevent adoption of smoking, sedentary lifestyle and unhealthy diet, especially in children and young people.', '<b>Primary:</b> control tobacco, BP, diabetes, dyslipidaemia and weight; promote healthy diet and regular physical activity.', '<b>Secondary:</b> early diagnosis and evidence-based treatment after angina/MI, risk-factor control, adherence and follow-up.', '<b>Tertiary:</b> cardiac rehabilitation, return-to-work support, disability limitation and psychosocial support.'])

story.append(PageBreak())
story.append(P('One-page final revision grid', 'H1x'))
story.append(table([
['Topic','Definition / key criterion','Major modifiable risks','Core prevention message'],
['Hypertension','Repeated BP classification; Grade 1 starts at 140 and/or 90 mmHg in Park table.','Salt excess, obesity, inactivity, alcohol, tobacco.','Measure BP, reduce salt, healthy weight/activity, treat and follow up.'],
['Diabetes','Hyperglycaemia due to insulin secretion/action defects.','Central obesity, inactivity, unhealthy diet.','Prevent type 2 diabetes by weight/activity; screen and prevent complications.'],
['Obesity','Excess adipose tissue; assess BMI and central fat distribution.','Energy-dense diet, inactivity, sedentary life.','Dietary change + activity + behaviour support; manage comorbidities.'],
['Accidents','Unexpected/unplanned event causing injury; epidemiologically preventable.','Alcohol/drugs, fatigue, unsafe behaviour.','Haddon approach: pre-event, event, post-event interventions.'],
['CHD','Inadequate coronary flow due to obstructive coronary changes.','Tobacco, BP, lipids, diabetes, obesity, inactivity.','Life-course risk reduction; secondary prevention and rehabilitation.'],
], [2.8*cm,4.55*cm,5.25*cm,5.2*cm]))
story.append(Spacer(1,9))
story.append(P('Source note', 'H2x'))
story.append(P('Primary reference: <i>Park’s Textbook of Preventive and Social Medicine</i>, sections on coronary heart disease, hypertension, diabetes mellitus, obesity, and accidents and injuries. This PDF is a condensed educational aid. It does not replace local clinical guidelines or individual medical assessment.', 'Smallx'))
story.append(Spacer(1,4))
story.append(P('Recent evidence note: recent systematic review evidence supports policy and population-level approaches for cardiometabolic prevention (PMID 40312363). This does not alter the Park-based core content above.', 'Smallx'))

doc.build(story, onFirstPage=footer, onLaterPages=footer)
print(OUT)
Running Command

python "/tmp/workspace/ncd-quick-reference/src/create_pdf.py" && python -c "from pypdf import PdfReader; p='/tmp/workspace/ncd-quick-reference/output/Park_NCD_Quick_Reference.pdf'; r=PdfReader(p); print('pages',len(r.pages),'size',__import__('os').path.getsize(p)); print((r.pages[0].extract_text() or '')[:400])"

Browsing Directory

~/ncd-quick-reference/output

Your quick-reference PDF is ready:

Park NCD Quick Reference

PDF Document · PDF

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