SECTION II — Q.1 (10 Marks)
Write in detail (any one of two)
Option 1: Fallopian Tube + Sterilization
a. Anatomy of Fallopian Tube
- Paired hollow muscular tubes, 10-12 cm long, connecting uterine cornua to the ovary
- Lie in the upper free border of the broad ligament (mesosalpinx)
Parts (medial → lateral):
| Part | Length | Features |
|---|
| Interstitial (Intramural) | 1 cm | Narrowest lumen (1 mm); passes through uterine wall; most common site of cornual ectopic |
| Isthmus | 2-3 cm | Thick muscular wall, narrow lumen; site of tubal ligation and most ectopic pregnancies |
| Ampulla | 5-6 cm | Widest, thin-walled; site of fertilization (most common) and ampullary ectopic |
| Infundibulum (Fimbria) | 1-2 cm | Funnel-shaped opening; finger-like fimbriae (10-15); fimbria ovarica is longest, attached to ovary |
Layers of wall (outer → inner):
- Serosa - peritoneal covering (incomplete on inferior surface)
- Muscularis - outer longitudinal + inner circular smooth muscle; peristaltic movements propel ovum
- Mucosa - ciliated columnar epithelium + secretory (peg) cells; folds/plicae most elaborate in ampulla
Blood supply:
- Medial 2/3: Uterine artery (tubal branch)
- Lateral 1/3: Ovarian artery
- Anastomose in the mesosalpinx
Nerve supply: T10-L2 sympathetic; pelvic splanchnic parasympathetic
Functions: Ovum pick-up (fimbriae), transport (cilia + peristalsis), site of fertilization, early embryo nutrition
b. Types of Permanent Female Sterilization
1. Laparoscopic (interval sterilization):
- Falope ring (silastic band) - placed on isthmic loop
- Filshie clip - titanium with silicone rubber
- Bipolar cautery / electrocoagulation
- Most common method in developed countries
2. Minilaparotomy (most common in India - interval and postpartum):
- Small suprapubic incision (2-3 cm)
- Pomeroy / Modified Pomeroy method
- Parkland method
- Irving method
3. Colpotomy: Through posterior vaginal fornix - rarely done
4. Hysteroscopic (transcervical):
- Essure coil - now largely discontinued due to complications
c. Steps of Modified Pomeroy Method
- Identify the isthmic portion of the fallopian tube (most commonly used site)
- Grasp a knuckle (loop) of tube with Babcock forceps and elevate it
- Ligate the base of the loop with plain catgut (No. 1) - absorbable suture
- Excise the knuckle (1-2 cm segment of tube) above the ligature with scissors
- Send excised segment for histopathological confirmation (medico-legal)
- Check haemostasis; repeat on opposite side
Why plain catgut?
- Absorbs rapidly (7-10 days) → two stumps spring apart → each end fibrose separately → permanent occlusion
Failure rate: 0.4-0.8 per 100 woman-years
Most common cause of failure: Surgery during luteal phase (corpus luteum pregnancy already implanted)
d. Complications of Tubal Ligation
Immediate (intraoperative):
- Anaesthetic complications (most common cause of death)
- Haemorrhage - mesosalpinx bleeding
- Bowel injury, bladder injury (laparoscopy)
- Wound infection
Early postoperative:
- Haematoma, wound dehiscence
- Shoulder tip pain (laparoscopy - diaphragmatic irritation from CO2)
Late complications:
- Ectopic pregnancy - if method fails, implantation in damaged tube
- Post-tubal ligation syndrome - menstrual irregularities, dysmenorrhoea (debated; may be due to discontinuation of OCP)
- Hydrosalpinx - proximal segment accumulates secretions
- Regret - especially young women, change in marital status (reversal - only 40-50% success)
- Psychological - regret, depression (especially if coerced)
Option 2: Precocious Puberty
Definition
Onset of puberty before age 8 in girls and age 9 in boys
Normal puberty sequence in girls: Breast → Pubic hair → Axillary hair → Growth spurt → Menarche (B-P-A-G-M)
Types and Causes
1. Central (True / GnRH-dependent) Precocious Puberty:
- Premature activation of hypothalamo-pituitary-gonadal (HPG) axis
- LH and FSH both elevated
- Isosexual (same sex characteristics)
- Girls: majority (80%) are idiopathic
- Boys: majority have organic CNS cause - must investigate
- CNS causes: hypothalamic hamartoma (most common organic cause), astrocytoma, craniopharyngioma, post-encephalitis, hydrocephalus, neurofibromatosis
2. Peripheral (Pseudo / GnRH-independent) Precocious Puberty:
- Excess sex hormones from peripheral sources without HPG activation
- LH/FSH suppressed (low)
| Cause | Features |
|---|
| McCune-Albright syndrome | Café-au-lait spots + polyostotic fibrous dysplasia + autonomous ovarian cysts |
| Granulosa cell tumour (ovary) | Oestrogen-secreting; pelvic mass |
| Adrenal tumour / CAH | Androgens elevated; virilization |
| Leydig cell tumour (boys) | Testosterone elevated |
| Exogenous oestrogen | History of oestrogen-containing cream/OCP exposure |
| Hypothyroidism (Van Wyk-Grumbach) | Severe hypothyroidism → cross-reactivity with FSH receptor |
Clinical Features (Girls)
- Breast development (thelarche) before age 8 - first sign
- Pubic and axillary hair (pubarche/adrenarche)
- Vaginal discharge, growth spurt
- Early menarche
- Accelerated bone age → premature epiphyseal closure → short final adult height (most important consequence)
- Psychological disturbance - social isolation, early sexual activity risk
Investigations
| Investigation | Purpose |
|---|
| Bone age (X-ray left wrist) | Advanced bone age = significant puberty |
| Serum LH, FSH, Oestradiol | Elevated in central; suppressed in peripheral |
| GnRH stimulation test | LH:FSH ratio >1 after stimulation = central (pubertal response) |
| Pelvic USS | Ovarian volume, follicles, uterine size, any mass |
| MRI brain | Hypothalamic/pituitary lesion (mandatory in boys and when CNS cause suspected) |
| Serum DHEAS, 17-OHP | Adrenal cause (CAH - 17-OHP elevated) |
| Thyroid function | Van Wyk-Grumbach syndrome |
Management
Central precocious puberty:
- GnRH agonist (Leuprolide acetate depot 3.75 mg IM monthly or 11.25 mg every 3 months)
- Mechanism: Continuous (non-pulsatile) GnRH → downregulates GnRH receptors → suppresses LH/FSH → arrests puberty
- Arrests pubertal progression + allows bone age to normalize → better final height
- Stop at appropriate age (10-11 years) → puberty resumes normally
Peripheral precocious puberty:
- Treat underlying cause (tumour excision, hydrocortisone for CAH, levothyroxine for hypothyroidism)
- McCune-Albright: aromatase inhibitors (letrozole, anastrozole)
All cases:
- Psychological support and counselling for child and parents
- Monitor growth velocity and bone age 6-monthly
SECTION II — Q.2 (12 Marks)
Case Scenario Based Questions (any two of three — 6 marks each)
CASE A: 63-year-old, something coming out P/V for 3 years
1. Probable Diagnosis
Third Degree Uterovaginal Prolapse (Procidentia)
- Entire uterus lies outside the vaginal introitus with complete inversion of vaginal walls
- Predisposing factors: Multiparity (stretching of supports), Menopause (oestrogen deficiency → atrophy of supports), chronic raised intra-abdominal pressure (chronic cough, constipation), poor perineal repair after delivery
2. Supports of the Uterus
Primary (main) supports - ligaments:
| Ligament | Description |
|---|
| Transverse cervical (Cardinal / Mackenrodt's) | Most important; condensation of parametrium at base of broad ligament; supports cervix and upper vagina |
| Uterosacral ligaments | Pass from cervix posteriorly to sacrum; maintain anteversion/anteflexion |
| Pubocervical ligaments | Pass anteriorly from cervix to pubis |
| Round ligaments | Maintain anteversion only; weak support |
Secondary supports - pelvic floor muscles:
- Levator ani (most important structural support):
- Pubococcygeus
- Iliococcygeus
- Puborectalis (forms pubo-anorectal sling)
- Urogenital diaphragm (perineal membrane)
- Perineal body - central fibromuscular node; anchors perineal muscles
Tertiary supports:
- Broad ligament, ovarian ligament (minimal support)
- Vaginal walls themselves (upper 2/3 attached to pelvic fascia)
3. Management of 3rd Degree Uterovaginal Prolapse
Surgical (definitive - treatment of choice):
1. Vaginal Hysterectomy with Pelvic Floor Repair - most common and preferred in postmenopausal women with completed family:
- Vaginal hysterectomy (removes uterus vaginally)
- Anterior colporrhaphy - repair of cystocele (anterior wall prolapse)
- Posterior colpoperineorrhaphy - repair of rectocele + perineal body repair
- McCall culdoplasty - vault suspension to uterosacral ligaments (prevents vault prolapse post-hysterectomy)
2. Fothergill (Manchester) Operation - if uterus to be conserved (young/medically unfit for hysterectomy):
- Amputation of elongated cervix
- Plication of cardinal ligaments anterior to cervix
- Anterior colporrhaphy + posterior repair
- Disadvantage: risk of cervical stenosis, infertility, dystocia
3. Le Fort's Operation (Colpocleisis):
- Partial obliteration of vaginal canal
- Only for very elderly, unfit patients who are not sexually active
- Simple and quick procedure
Conservative (for unfit/refusing surgery):
- Ring pessary (Hodge or ring pessary) - inserted in vagina, changed every 3-6 months
- Local oestrogen cream - improves vaginal atrophy, strengthens tissues
- Pelvic floor exercises (Kegel's) - more useful for prevention and mild cases
- Treat precipitating factors: chronic cough, constipation
CASE B: 46-year-old, menorrhagia for 3 years, pallor, uterus 6-8 weeks size on P/V
1. Differential Diagnosis
| Diagnosis | Supporting features |
|---|
| Fibroid uterus (Leiomyoma) - most likely | Commonest cause of menorrhagia + enlarged uterus in perimenopausal woman; irregular, firm, non-tender uterus |
| Adenomyosis | Diffusely enlarged, soft, tender uterus; painful menorrhagia (dysmenorrhoea); uterus rarely >12 weeks size |
| Endometrial hyperplasia | Perimenopausal woman; irregular bleeding; must exclude |
| Endometrial carcinoma | Age 46, perimenopausal; irregular/postmenopausal bleeding; mandatory to exclude |
| Ovarian fibrothecoma | Can cause menorrhagia via oestrogen secretion; adnexal mass on USS |
2. Management Protocols
Step 1 - Investigations (mandatory before treatment):
- Pelvic USS (TVS preferred) - fibroid size, number, location (submucosal/intramural/subserosal), endometrial thickness
- Endometrial sampling - Pipelle biopsy or D&C to exclude malignancy (mandatory in perimenopausal woman with menorrhagia)
- CBC (Hb - anaemia), blood group
- TFT (thyroid), coagulation profile
- Hysteroscopy + biopsy (gold standard for intrauterine pathology)
Medical Management (if fertility desired or unfit/refusing surgery):
| Drug | Dose | Mechanism |
|---|
| Tranexamic acid | 500 mg TDS during menstruation | Antifibrinolytic; reduces loss by 50% |
| Mefenamic acid | 500 mg TDS during menstruation | NSAID; reduces loss + dysmenorrhoea |
| Norethisterone | 5 mg TDS (day 5-26) | Progestogen; suppresses endometrium |
| LNG-IUS (Mirena) | Inserted in OT | Releases 20 mcg LNG/day; reduces loss by 90%; best for adenomyosis too |
| GnRH agonist | Leuprolide 3.75 mg IM monthly x3-6 months | Reduces fibroid size 30-40%; corrects anaemia preoperatively; not long-term |
| Ulipristal acetate | 5 mg OD x3 months | SPRM; fibroid size reduction |
Surgical Management:
| Procedure | Indication |
|---|
| Hysteroscopic myomectomy | Submucosal fibroid, fertility desired |
| Laparoscopic/abdominal myomectomy | Intramural/subserosal fibroid, fertility desired |
| Endometrial ablation | Uterus <12 weeks, no desire for fertility, no submucosal fibroid |
| Total hysterectomy (TAH/VH/TLH) | Definitive - completed family, failed medical therapy, large fibroid, exclude malignancy first |
CASE C: 26-year-old, discharge PV + vulval itching 3 months, H/O Copper-T insertion 6 months ago
1. Differential Diagnosis
| Diagnosis | Discharge character | Clue |
|---|
| Actinomyces infection | Yellowish-brown, foul | IUD use >6 months; Actinomyces israelii |
| Bacterial Vaginosis | Thin, grey, fishy smell | Most common in IUD users (altered flora) |
| Vulvovaginal Candidiasis | Thick, white, curdy | Intense vulval pruritus; no smell |
| Trichomoniasis | Frothy, yellow-green | Strawberry cervix; sexually transmitted |
| Chlamydial cervicitis | Mucopurulent, cervical | STI; contact bleeding |
| PID secondary to IUD | Purulent + pelvic pain | IUCD-related ascending infection |
2. Management Protocols
Investigations first:
- High vaginal swab - wet mount (clue cells, trichomonads, pseudohyphae), Gram stain, C&S
- Endocervical swab - NAAT for Chlamydia and Gonorrhoea
- Pap smear - look for Actinomyces on cytology
- Pelvic USS - PID, tubo-ovarian abscess, IUD position
- CBC, CRP (if PID suspected)
Treatment based on diagnosis:
| Condition | Treatment |
|---|
| Actinomyces (on Pap smear) | Remove IUD + Penicillin G 10-20 MU IV x4 weeks OR Amoxicillin 500 mg TDS x6 weeks |
| BV | Metronidazole 400 mg oral BD x7 days OR Metronidazole 0.75% gel vaginally x5 nights |
| Candidiasis | Clotrimazole 100 mg vaginal pessary x6 nights OR Fluconazole 150 mg single oral dose |
| Trichomoniasis | Metronidazole 2g single oral dose; treat partner |
| Chlamydia | Azithromycin 1g single dose OR Doxycycline 100 mg BD x7 days |
| PID | Remove IUD after starting antibiotics; Ceftriaxone 500 mg IM + Doxycycline 100 mg BD x14d + Metronidazole 400 mg BD x14d |
Counselling:
- IUD-related risks explained
- Safe sex practices
- Consider alternative contraception (OCP, condoms) if recurrent infections
SECTION II — Q.3 (18 Marks)
Write a Short Note (any three of four — 6 marks each)
1. Pap Smear
Definition: Cytological screening test for detection of premalignant (CIN) and malignant lesions of the cervix by examining cells scraped from the transformation zone (squamocolumnar junction - most vulnerable area for carcinogenesis).
Procedure:
- Visualize cervix with cusco's speculum (without lubricant)
- Scrape ectocervix with Ayre's spatula (wooden/plastic, notched end at os)
- Scrape endocervix with cytobrush
- Smear on glass slide, fix immediately with 95% ethanol (prevent air-drying artefact)
- Stain with Papanicolaou stain (5-step stain)
- Liquid-Based Cytology (LBC/ThinPrep) - newer; cells dispersed in liquid fixative; better sensitivity, can do HPV co-testing on same sample
Bethesda System 2014 (Reporting):
| Category | Meaning |
|---|
| NILM | Negative for Intraepithelial Lesion or Malignancy (normal) |
| ASC-US | Atypical squamous cells of undetermined significance |
| ASC-H | Cannot exclude HSIL |
| LSIL | Low-grade SIL = CIN 1 (HPV effect) |
| HSIL | High-grade SIL = CIN 2/3 (true premalignancy) |
| Squamous cell carcinoma | Malignant |
| AGC | Atypical glandular cells |
Screening Intervals (WHO/ACS):
- Age 21-29: Cytology alone every 3 years
- Age 30-65: Cytology every 3 years OR co-testing (cytology + HPV) every 5 years
- Stop at 65 if adequate negative prior screening
- India (National guidelines): Screen all women 30-65 yrs; VIA + cytology
Management of Abnormal Pap:
- ASC-US → HPV reflex testing or repeat cytology in 1 year
- LSIL → Colposcopy
- HSIL → Colposcopy + biopsy → CIN 2/3 → LEEP/CKC (large loop excision / cold knife conization)
Importance: Pap smear screening has reduced cervical cancer mortality by 70% in countries with organized programs.
2. Male Infertility
Definition: Failure to achieve pregnancy after 12 months of regular unprotected intercourse, attributable to a male factor; present in 40-50% of infertile couples (sole cause in 20%, contributing factor in 30-40%).
Causes:
| Level | Causes |
|---|
| Pre-testicular (hormonal) | Hypogonadotropic hypogonadism - Kallmann syndrome, hyperprolactinaemia, obesity, anabolic steroids |
| Testicular (primary) | Varicocele (most common correctable cause - 35%), cryptorchidism, orchitis (mumps), Klinefelter's (47XXY), Y-chromosome microdeletion (AZF region), radiation, chemotherapy |
| Post-testicular (ductal/functional) | Obstructive azoospermia (CBAVD, epididymal obstruction), erectile dysfunction, retrograde ejaculation, antisperm antibodies |
Investigations:
Semen Analysis (WHO 2021 reference values):
| Parameter | Lower Reference Limit |
|---|
| Volume | ≥1.4 mL |
| Concentration | ≥16 million/mL |
| Total motility | ≥42% |
| Progressive motility | ≥30% |
| Normal morphology | ≥4% (strict Kruger) |
| Vitality | ≥54% |
- Repeat after 3 months (one spermatogenesis cycle) if abnormal
- Hormone profile: FSH, LH, testosterone, prolactin
- High FSH = primary testicular failure (Sertoli cell dysfunction)
- Low FSH/LH = hypogonadotropic hypogonadism (treatable)
- Karyotype - if azoospermia or severe oligospermia (Klinefelter's)
- Y-chromosome microdeletion (AZFa, b, c)
- Scrotal USS - varicocele, testicular volume, epididymal obstruction
- Testicular biopsy - distinguish obstructive (normal spermatogenesis) vs non-obstructive azoospermia (maturation arrest, Sertoli cell only)
- CFTR gene - CBAVD (congenital bilateral absence of vas deferens)
Management:
| Condition | Treatment |
|---|
| Varicocele | Microsurgical varicocelectomy or embolization |
| Hypogonadotropic hypogonadism | hMG + hCG injections (gonadotropin therapy) |
| Obstructive azoospermia | PESA/MESA (epididymal sperm) or TESA + ICSI |
| Non-obstructive azoospermia | micro-TESE + ICSI (if sperm found) |
| Mild oligoasthenospermia | IUI (intrauterine insemination) |
| Severe/failed IUI | IVF-ICSI |
| Empirical | Antioxidants (CoQ10, Vitamin E, C, zinc, selenium), Clomiphene citrate |
3. Polycystic Ovarian Syndrome (PCOS)
Definition: Most common endocrine disorder of reproductive-age women (prevalence 5-10%), characterized by a triad of hyperandrogenism, oligo/anovulation, and polycystic ovarian morphology, with associated metabolic dysfunction.
Pathophysiology:
- Insulin resistance → hyperinsulinaemia → increased ovarian androgen production + decreased SHBG → hyperandrogenism
- LH hypersecretion (LH:FSH ratio >2) → arrested follicular development → multiple small cysts
- Chronic anovulation → unopposed oestrogen → endometrial hyperplasia risk
Diagnosis - Rotterdam Criteria 2003 (2 of 3):
- Oligo/anovulation (cycles >35 days or <8 cycles/year)
- Clinical hyperandrogenism (acne, hirsutism, androgenic alopecia) OR biochemical (elevated free testosterone/DHEAS)
- Polycystic ovaries on USS: ≥12 follicles 2-9 mm in either ovary OR ovarian volume >10 mL
- Other causes must be excluded: CAH, Cushing's, androgen-secreting tumour, hyperprolactinaemia, thyroid disease
Investigations:
| Test | Finding in PCOS |
|---|
| LH:FSH ratio | >2 (suggestive, not diagnostic) |
| Free testosterone, DHEAS | Elevated |
| Fasting glucose + insulin | Insulin resistance (HOMA-IR >2.5) |
| 75g OGTT | Screen for T2DM |
| Lipid profile | Dyslipidaemia (high LDL, low HDL) |
| USS pelvis | String of pearls appearance; ovarian volume >10 mL |
| TSH, prolactin | To exclude other causes |
Management:
Lifestyle modification (cornerstone):
- Weight loss of 5-10% → restores ovulation in 55-80%, reduces androgens, improves insulin sensitivity
For menstrual irregularity:
- Combined OCP (ethinyl oestradiol + desogestrel/drospirenone) - regulates cycles, treats hirsutism/acne
- Cyclical progestins (norethisterone day 14-26) - withdrawal bleed every 3 months
For infertility (ovulation induction - stepwise):
- Letrozole 2.5-7.5 mg/day (aromatase inhibitor) - now preferred 1st line
- Clomiphene citrate 50-150 mg/day (days 2-6) - anti-oestrogen
- Metformin 500-1000 mg BD - insulin sensitizer, restores ovulation, reduces miscarriage
- Gonadotropins (hMG/rFSH) - with USS monitoring; risk of OHSS
- LOD (Laparoscopic Ovarian Drilling) - 4-point drilling with diathermy/laser; reduces LH, restores FSH:LH ratio; equivalent to gonadotropins
For hirsutism:
- OCP + anti-androgens: Spironolactone 50-100 mg/day, Cyproterone acetate
Long-term risks (counsel patients):
- Type 2 DM (4-8x increased risk)
- Cardiovascular disease
- Endometrial carcinoma (chronic anovulation + unopposed oestrogen)
- Sleep apnoea, depression
4. Vaginal Infections
Classification and Comparison:
| Feature | Bacterial Vaginosis | Vulvovaginal Candidiasis | Trichomoniasis |
|---|
| Organism | Gardnerella vaginalis + anaerobes (Prevotella, Mobiluncus) | Candida albicans (80-90%) | Trichomonas vaginalis (flagellated protozoan) |
| Discharge | Thin, homogeneous, grey-white, adherent | Thick, white, curdy/cottage cheese | Frothy, profuse, yellow-green |
| Odour | Fishy (amine odour) | Absent | Offensive |
| Itching | Minimal | Intense vulval pruritus | Moderate, vulvovaginal |
| Dysuria | Absent | Occasional | Present |
| Vaginal pH | >4.5 | <4.5 | >4.5 |
| Wet mount | Clue cells (epithelial cells studded with bacteria) | Pseudohyphae + budding spores | Motile flagellated protozoa |
| Whiff test (KOH) | Positive (fishy amine smell) | Negative | Negative |
| Cervix | Normal | Erythematous | Strawberry cervix (colpitis macularis) |
| Treatment | Metronidazole 400 mg BD x7 days OR vaginal gel x5 nights | Fluconazole 150 mg single dose OR Clotrimazole pessary | Metronidazole 2g single dose; treat partner |
Amsel's criteria for BV diagnosis (3 of 4):
- Thin homogeneous grey discharge
- pH >4.5
- Positive whiff test
- Clue cells on wet mount
Cervicitis (STI):
- Chlamydia trachomatis: mucopurulent discharge, contact bleeding, cervical friability; NAAT for diagnosis; Azithromycin 1g single dose OR Doxycycline 100 mg BD x7 days; notify + treat partner
- Neisseria gonorrhoeae: profuse purulent discharge; Gram stain - intracellular Gram -ve diplococci; Ceftriaxone 500 mg IM single dose + Azithromycin 1g; increasing resistance to quinolones
Actinomyces (IUD-associated):
- Actinomyces israelii - commensal in oral/GI tract; pathogenic with long-term IUD use
- Yellow sulphur granules in discharge
- Pap smear shows Actinomyces filaments
- Management: Remove IUD + Penicillin G IV x4 weeks
SECTION II — Q.4 (10 Marks)
Write in 2-3 Sentences (any 5 of 6 — 2 marks each)
1. Types of IUDs and Their Eligibility Criteria
Copper-bearing IUDs (Cu-T 380A, Cu-T 200B, Multiload 375, Nova-T): Act by spermicidal effect of copper ions, impaired sperm motility, and hostile endometrial environment; effective for 5-10 years; also used as emergency contraception within 5 days of unprotected intercourse.
Hormonal IUDs (LNG-IUS/Mirena, Kyleena): Release levonorgestrel 20 mcg/day; act by endometrial atrophy, cervical mucus thickening, and partial anovulation; effective for 5-7 years; reduce menstrual blood loss by 90% (ideal for menorrhagia/adenomyosis).
Eligibility (WHO MEC): Suitable for parous/nulliparous women, postpartum (after 6 weeks), postabortal; Contraindicated (Category 4) in: pregnancy, active/recent PID or STI, unexplained vaginal bleeding, uterine anomaly/distorted cavity, cervical/endometrial carcinoma, copper allergy (for Cu-IUD), current DVT/PE (for LNG-IUS with caution).
2. Ovulation Inducing Agents
Clomiphene citrate (anti-oestrogen, SERM): 50-150 mg/day on days 2-6 of cycle; blocks oestrogen receptors in hypothalamus → increased GnRH → FSH/LH surge → follicular growth; first-line for anovulatory infertility; multiple pregnancy rate 8-10%; antioestrogen effect on endometrium and cervical mucus is a drawback.
Letrozole (aromatase inhibitor, 3rd generation): 2.5-7.5 mg/day days 2-6; inhibits oestrogen synthesis → removes negative feedback → FSH rise → mono-follicular development; now preferred over clomiphene in PCOS (better live birth rates, lower multiple pregnancy risk, no antioestrogen peripheral effects).
Other agents: Gonadotropins (hMG, rFSH) - for clomiphene-resistant cases; require USS monitoring; risk of OHSS; Metformin - insulin sensitizer in PCOS, restores ovulation; GnRH pulsatile therapy - for hypothalamic amenorrhoea; Bromocriptine/cabergoline - for hyperprolactinaemic anovulation.
3. Types of Dysmenorrhoea
Primary dysmenorrhoea occurs without identifiable pelvic pathology, most common in young nulliparous women (within 1-2 years of menarche); caused by excess prostaglandins (PGF2α, PGE2) leading to uterine hypercontractility and ischaemia; pain is spasmodic, lower abdominal, begins with onset of flow, lasts 24-48 hours; managed with NSAIDs (mefenamic acid, ibuprofen - start 1-2 days before flow) or combined OCP (suppress ovulation, reduce prostaglandins).
Secondary dysmenorrhoea has an identifiable organic pelvic cause; pain typically begins 1-2 weeks before menstruation (premenstrual), worsens with flow, and may persist throughout; common causes: endometriosis (most common), adenomyosis, submucous fibroids, PID, cervical stenosis, IUCD; dyspareunia and infertility often coexist; management targets the underlying cause (laparoscopy for endometriosis, hysterectomy for adenomyosis).
4. Hormone Replacement Therapy (HRT)
HRT is the exogenous administration of oestrogen (with or without progestogen) to relieve menopausal symptoms (vasomotor - hot flushes, night sweats; urogenital atrophy - vaginal dryness, dyspareunia; psychological - mood changes, sleep disturbance) and prevent osteoporosis and cardiovascular disease in early menopause.
In women with intact uterus: combined oestrogen + progestogen is mandatory (sequential or continuous combined) to prevent oestrogen-induced endometrial hyperplasia/carcinoma; in post-hysterectomy women: oestrogen alone is sufficient.
Absolute contraindications: Oestrogen-receptor positive breast/endometrial cancer, unexplained vaginal bleeding, active DVT/PE/thrombophilia, active liver disease, uncontrolled hypertension; minimum effective dose for shortest duration is the current principle (WHI study showed increased risk of breast cancer, DVT with long-term combined HRT).
5. Indications of Dilation and Curettage (D&C)
Diagnostic indications: Abnormal uterine bleeding (perimenopausal, postmenopausal, DUB unresponsive to medical therapy) - to obtain endometrial tissue and exclude hyperplasia/malignancy; infertility workup (irregular endometrium, synechiae); before cervical amputation or cone biopsy.
Therapeutic indications: Evacuation of incomplete, missed, or septic abortion (retained products of conception); removal of endometrial polyps; postmolar/post-abortal haemorrhage; treatment of intrauterine adhesions (Asherman's syndrome - hysteroscopic adhesiolysis preferred); cervical stenosis dilatation.
Largely replaced by: Pipelle biopsy (outpatient endometrial sampling - diagnostic), hysteroscopy-guided procedures (therapeutic - gold standard for intrauterine pathology under direct vision), and suction evacuation/MVA for abortion management.
6. Indications of Laparoscopy in Gynaecology
Diagnostic laparoscopy: Unexplained chronic pelvic pain; infertility workup - direct visualisation of pelvis + chromopertubation (dye test for tubal patency); confirmation and staging of endometriosis; suspected ectopic pregnancy (when USS inconclusive); suspected PID, ovarian torsion; staging of gynaecological malignancies.
Therapeutic (operative) laparoscopy: Ovarian cystectomy, oophorectomy, salpingectomy; ectopic pregnancy management (salpingotomy or salpingectomy - preferred over laparotomy); adhesiolysis; endometriosis ablation/excision; LOD (laparoscopic ovarian drilling for PCOS); myomectomy; sterilization (Falope ring, Filshie clip, bipolar cautery); TLH (total laparoscopic hysterectomy) / LAVH.
Advantages over laparotomy: Shorter hospital stay, less postoperative pain, smaller incisions, faster recovery, reduced adhesion formation, magnified view for better precision.