1. Primi with HT of 145 cm came to the labor room with c/o labor pains since 1 day. O/E: Patient looks exhausted PR - 110 bpm BP – 190/60 mmHg P/A - Uterus acting, over distended Bandl's ring seen FHR - Good P/V: Hot vagina Cervix fully effaced, fully dilated PP vertex at 1st station Caput (+) Questions: (i ). What is your diagnosis of this case? (ii ). How will you diagnose and manage this case? (iii ). How do you prevent obstructed labour? Answer using dutta obstetrics textbook for university examination 15 marks

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Dutta obstetrics obstructed labour diagnosis management prevention Bandl's ring

Dutta Obstetrics is not in the library database, but I have strong knowledge of this textbook. Let me now compose the comprehensive answer based on DC Dutta's Textbook of Obstetrics (standard reference for this type of university examination question).

Obstructed Labour - University Examination Answer (15 Marks)

(Based on DC Dutta's Textbook of Obstetrics)

(i) DIAGNOSIS

This case presents a classic picture of Obstructed Labour with Impending Uterine Rupture.

Clinical reasoning:

Finding	Significance
Primigravida, height 145 cm	Short stature - contracted pelvis likely (CPD)
Labour pains for 1 day	Prolonged/obstructed labour
Exhausted patient	Maternal exhaustion from prolonged labour
PR 110 bpm	Maternal tachycardia (dehydration/exhaustion/infection)
BP 190/60 mmHg	Raised systolic with low diastolic - atypical; possibly stress response
Overdistended uterus	Lower segment stretched to the limit
Bandl's ring visible	Pathological retraction ring - hallmark of obstructed labour
Hot vagina	Intrapartum infection/sepsis
Caput (+), vertex at -1 station	No descent despite full cervical dilatation - mechanical obstruction
FHR good	Fetus currently alive but at risk

Final Diagnosis: Obstructed Labour (due to CPD - cephalopelvic disproportion) with impending uterine rupture.

Secondary diagnoses:

Intrapartum infection/sepsis (hot vagina, tachycardia)
Maternal exhaustion

(ii) HOW TO DIAGNOSE AND MANAGE

A. Diagnosis of Obstructed Labour

Clinical Features (Dutta's criteria):

General signs:

Maternal exhaustion, dehydration, rapid pulse, pyrexia
Anxious facies, dry tongue, sunken eyes

Abdominal examination:

Uterus - tonically contracted (hypertonic), tender
Bandl's pathological retraction ring - visible transversely across the abdomen, rises progressively higher (a ring between upper and lower uterine segments)
Overdistended lower uterine segment (may feel thin, ready to rupture)
Fetal parts difficult to palpate

Vaginal examination:

Hot vagina (sign of infection/impending rupture)
Fully dilated cervix that is not retracting (edematous os)
Large caput succedaneum
Moulding grade 3+ (bones overlapping)
Presenting part not descending despite contractions
Absent or impacted presenting part

Investigations:

CBC: leukocytosis, raised hematocrit (dehydration)
Urine: albuminuria, ketonuria
Blood group and cross-match (anticipate PPH/rupture)
Pelvis assessment: clinically contracted pelvis in a short woman (height <150 cm = risk factor)
Ultrasound: to confirm presentation, fetal well-being

B. Management of Obstructed Labour

This is an OBSTETRIC EMERGENCY. All steps must proceed simultaneously.

Step 1: Resuscitation (Immediate)

Admit to operation theatre
IV access - two large bore cannulas
IV fluids: Ringer's lactate rapidly (correct dehydration)
Urinary catheterization (monitor output, decompress bladder)
Blood sent for CBC, crossmatch, coagulation profile
Oxygen supplementation
NPO (nil by mouth)

Step 2: Antibiotics

Broad-spectrum IV antibiotics immediately (hot vagina = infection):
- Ampicillin + Gentamicin + Metronidazole
- (Cover aerobic and anaerobic organisms)

Step 3: Definitive Delivery (ALWAYS CAESAREAN SECTION)

In obstructed labour with:

Bandl's ring present
No descent of presenting part
Vertex at -1 station (high)
Maternal exhaustion

= LOWER SEGMENT CAESAREAN SECTION (LSCS) immediately

Do NOT attempt vacuum extraction or forceps - vertex is too high (-1 station) and there is Bandl's ring
Do NOT give oxytocin - this is absolutely contraindicated (will cause uterine rupture)

Intraoperative precautions:

Relaxation of Bandl's ring may be needed with tocolytics (terbutaline/nitroglycerin) before extracting the baby
Extension of uterine incision may be needed if the lower segment is poorly formed
Explore for uterine rupture - if found, repair or subtotal hysterectomy

Step 4: Postoperative Care

Continue IV antibiotics for 48-72 hours
Strict monitoring of vitals, urine output
Watch for PPH - atonic uterus possible after prolonged labour
Thromboprophylaxis
Emotional support + counseling

(iii) PREVENTION OF OBSTRUCTED LABOUR

Dutta's textbook emphasizes prevention at three levels:

A. Antenatal Prevention (Primary Prevention)

1. Early booking and regular antenatal care (ANC):

Every pregnant woman should register before 12 weeks
At least 4-8 ANC visits

2. Identification of high-risk cases at booking:

Short stature (<150 cm) - pelvic assessment mandatory
Previous obstructed labour/caesarean section
Grand multipara
Malpresentations (breech, transverse lie)
Big baby (macrosomia - GDM screening)
Contracted pelvis (rickets, malnutrition history)

3. Clinical pelvimetry:

At 36-38 weeks for all at-risk patients
Diagonal conjugate, ischial spines, subpubic angle assessment

4. Nutritional improvement:

Adequate nutrition during childhood prevents rachitic pelvis
Iron and calcium supplementation during pregnancy

5. Delayed marriage and early childbearing:

Marriage below 18 years = immature pelvis
Awareness programs, legal enforcement of marriage age

6. Management of malpresentations:

External cephalic version (ECV) for breech at 36 weeks
Early detection of brow, face, transverse lie - plan elective LSCS

B. Intranatal Prevention (Secondary Prevention)

1. Partograph monitoring (WHO partograph):

Universal tool for all labours
Alert line and action line
Crossing the action line = act immediately (LSCS/augmentation)

2. Skilled birth attendance:

Every delivery must be conducted by trained personnel
Ability to recognize early signs of obstruction

3. Judicious use of oxytocin:

Only for hypotonic uterine dysfunction with adequate pelvis
NEVER in suspected CPD or obstructed labour

4. Avoidance of harmful practices:

No fundal pressure (Kristeller maneuver)
No pushing before full dilatation
Timely referral from primary health center

5. Timely operative intervention:

Do not allow labour to go beyond the action line on partograph
Timely caesarean section prevents full-blown obstruction

C. Public Health/Social Measures (Primordial Prevention)

Education of the community about danger signs in labour
Promotion of institutional deliveries
Improving socioeconomic status and maternal nutrition
Eradication of female genital mutilation
Preventing vitamin D deficiency in childhood (prevents rachitic pelvis)
Government schemes: Janani Suraksha Yojana (JSY), Pradhan Mantri Matru Vandana Yojana (PMMVY) in India

Summary Table for Quick Revision

Aspect	Key Point
Diagnosis	Obstructed labour + impending uterine rupture
Hallmark sign	Bandl's pathological retraction ring
Cause in this case	CPD (short stature 145 cm + vertex at -1 with full dilatation)
Contraindicated	Oxytocin, vacuum, forceps
Treatment	Emergency LSCS + IV antibiotics + resuscitation
Prevention	ANC, partograph, skilled attendance, early LSCS

Reference: DC Dutta's Textbook of Obstetrics, 9th Edition (edited by Hiralal Konar), Chapter on "Obstructed Labour" - covers pathophysiology, Bandl's ring, management, and prevention as standard examination content for MD/MS and undergraduate MBBS examinations.

Note: Dutta Obstetrics was not available in the digital library at the time of answering. This answer is based on comprehensive knowledge of DC Dutta's Textbook of Obstetrics (standard Indian obstetrics textbook), cross-referenced with Queensland Clinical Guidelines on Obstructed Labour (2025) and core obstetric principles. The content aligns with Dutta's standard chapter coverage on this topic.

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