Gynecological Disorders — MCQs

Gynecological Disorders Indian Medical PG Practice Questions and MCQs

Question 161: Complete failure of Müllerian duct fusion will result in which of the following conditions?

A. Uterus didelphys (Correct Answer)
B. Arcuate uterus
C. Subseptate uterus
D. Unicornuate uterus

Explanation: **Explanation:** The development of the female reproductive tract involves the fusion and subsequent canalization of the paired **Müllerian (paramesonephric) ducts**. **1. Why Uterus Didelphys is Correct:** Uterus didelphys occurs due to a **complete failure of fusion** of the two Müllerian ducts. Since the ducts fail to meet at the midline, each duct develops independently into its own hemi-uterus and cervix. This results in two separate uterine bodies, two distinct cervices, and often a longitudinal vaginal septum. **2. Analysis of Incorrect Options:** * **Arcuate Uterus:** This is a minor failure of **resorption** of the uppermost part of the septum. The external uterine contour is normal, but there is a small indentation in the fundal cavity. * **Subseptate Uterus:** This results from a failure of **canalization/resorption** of the midline septum after the ducts have already fused. The external contour is normal, but the cavity is divided. * **Unicornuate Uterus:** This is caused by the **agenesis or failure of development** of one Müllerian duct, not a fusion defect. **3. NEET-PG High-Yield Pearls:** * **Most common** Müllerian anomaly: Septate uterus (also has the highest rate of reproductive failure/miscarriage). * **Best initial investigation:** 2D Ultrasound; however, **MRI** is the gold standard for classification. * **HSG limitation:** Hysterosalpingography cannot distinguish between a Bicornuate and Septate uterus because it only visualizes the internal cavity, not the external fundal contour. * **Renal Anomalies:** Always screen the renal system (e.g., renal agenesis) in patients with Müllerian anomalies, as both systems develop from the intermediate mesoderm.

Question 162: All of the following can be used in the medical management of fibroid uterus EXCEPT?

A. Mifepristone
B. NSAIDs
C. Leuprolide
D. Danazol (Correct Answer)

Explanation: **Explanation:** The medical management of uterine fibroids (leiomyomas) aims to reduce heavy menstrual bleeding (HMB) and/or shrink the size of the tumors. **Why Danazol is the correct answer:** While **Danazol** is an androgenic steroid that creates a high-androgen, low-estrogen environment, it is **no longer recommended** or used for fibroids due to its significant androgenic side effects (weight gain, hirsutism, acne) and lack of proven efficacy in reducing fibroid volume compared to newer alternatives. It is primarily used in endometriosis or hereditary angioedema. **Analysis of other options:** * **Mifepristone (Option A):** A Selective Progesterone Receptor Modulator (SPRM). Since fibroid growth is progesterone-dependent, mifepristone effectively reduces both fibroid volume and HMB. * **NSAIDs (Option B):** These are used as first-line symptomatic management to reduce dysmenorrhea and blood loss by inhibiting prostaglandin synthesis, though they do not reduce the size of the fibroid. * **Leuprolide (Option C):** A GnRH agonist that induces a state of "pseudomenopause." It is highly effective in shrinking fibroids (up to 50% reduction) and is often used preoperatively to correct anemia and facilitate surgery. **High-Yield Clinical Pearls for NEET-PG:** * **Gold Standard Medical Management:** GnRH agonists (e.g., Leuprolide, Goserelin) are the most effective for volume reduction but are limited to 6 months of use due to bone mineral density loss. * **Ulipristal Acetate:** Another SPRM frequently tested; it is highly effective for preoperative volume reduction. * **Levonorgestrel-IUS (Mirena):** Excellent for controlling HMB associated with fibroids, provided the uterine cavity is not significantly distorted. * **Definitive Treatment:** Hysterectomy remains the only definitive cure for symptomatic fibroids.

Question 163: Pain in endometriosis is due to all except:

A. Inflammatory cytokines
B. Focal bleeding from endometriotic implants
C. Infiltration of nerves in pelvic floor
D. Retroversion of uterus (Correct Answer)

Explanation: **Explanation:** The pain associated with endometriosis is complex and multifactorial, primarily driven by biochemical and structural changes within the pelvic environment. **Why "Retroversion of uterus" is the correct answer:** Retroversion of the uterus is a common anatomical variation found in approximately 20% of the general population and is typically asymptomatic. While endometriosis can cause a "fixed" retroverted uterus due to adhesions (especially in the Pouch of Douglas), the retroversion itself is a **consequence** or a physical finding, not the underlying physiological mechanism of pain. **Analysis of other options (Mechanisms of pain):** * **Inflammatory cytokines (Option A):** Endometriotic lesions act as local inflammatory foci. They produce high levels of prostaglandins (PGE2), interleukins, and TNF-alpha, which sensitize nociceptors and cause chronic pelvic pain. * **Focal bleeding (Option B):** Ectopic endometrial tissue undergoes cyclical proliferation and shedding. Since this blood is trapped within the peritoneal cavity or ovaries (chocolate cysts), it causes chemical peritonitis and stretching of the organ capsules, leading to acute-on-chronic pain. * **Infiltration of nerves (Option C):** Deep Infiltrating Endometriosis (DIE) often involves the uterosacral ligaments and pelvic floor. The implants can directly invade nerve fibers or cause "neuroangiogenesis," where new nerve endings grow into the lesions, leading to severe dyspareunia and chronic pain. **Clinical Pearls for NEET-PG:** * **Classic Triad:** Dysmenorrhea (congestive/secondary), Dyspareunia, and Infertility. * **Gold Standard Diagnosis:** Laparoscopy with biopsy ("Powder-burn" or "Gunshot" lesions). * **Pain Correlation:** The severity of pain in endometriosis does **not** always correlate with the stage of the disease (Revised ASRM staging). Small, active red lesions often produce more pain than large, burnt-out scars.

Question 164: Tuberculosis of the female genital tract is commonest in which age group?

A. Below 10 years
B. 10 - 20 years
C. 20 - 30 years (Correct Answer)
D. Above 60 years

Explanation: **Explanation:** Genital Tuberculosis (GTB) is a significant cause of morbidity and infertility in developing countries. The correct answer is **20–30 years** because this period represents the peak of reproductive activity. **1. Why 20–30 years is correct:** Genital TB is almost always secondary to a primary focus elsewhere (usually lungs). The infection typically reaches the genital tract via hematogenous spread. The pelvic organs are most vascular and active during the reproductive years (20–45 years), with the highest incidence of diagnosis occurring in the **third decade (20–30 years)**. This is often the time when women seek medical attention for primary or secondary infertility, leading to the diagnosis. **2. Why other options are incorrect:** * **Below 10 years (Option A):** Pre-pubertal girls have relatively atrophic and less vascular pelvic organs, making them less susceptible to the seeding of the bacilli in the genital tract. * **10–20 years (Option B):** While infection can occur post-menarche, the peak incidence is slightly later when the organs have reached full maturity and vascularity. * **Above 60 years (Option D):** Post-menopausal TB is rare (approx. 5–10% of cases) because the genital tract undergoes atrophy and decreased blood supply after menopause, making it an unfavorable environment for the bacilli. **Clinical Pearls for NEET-PG:** * **Most common site:** Fallopian tubes (90–100% of cases), followed by the Endometrium (50–60%). * **Most common symptom:** Infertility (primary is more common than secondary). * **Most common menstrual abnormality:** Oligomenorrhea or Amenorrhea (due to endometrial destruction/Asherman’s syndrome). * **Gold Standard Diagnosis:** Endometrial biopsy/culture (taken in the pre-menstrual phase) or PCR. * **Characteristic Sign:** "Beaded tube" appearance on Hysterosalpingography (HSG).

Question 165: A woman presents with amenorrhea of 2 months duration, lower abdominal pain, facial pallor, fainting, and shock. What is the most likely diagnosis?

A. Ruptured ovarian cyst
B. Ruptured ectopic pregnancy (Correct Answer)
C. Threatened abortion
D. Septic abortion

Explanation: **Explanation:** The clinical presentation described is a classic medical emergency in gynecology. The patient exhibits the **"Classic Triad"** of ectopic pregnancy: amenorrhea (2 months), abdominal pain, and signs of internal hemorrhage (pallor, fainting, and shock). **1. Why Ruptured Ectopic Pregnancy is Correct:** A ruptured ectopic pregnancy leads to massive **hemoperitoneum**. The 2-month period of amenorrhea corresponds to the 6–8 week window when a tubal pregnancy (most commonly in the ampulla) typically outgrows the tube and ruptures. The sudden loss of blood into the peritoneal cavity causes acute abdominal pain and **hypovolemic shock**, manifesting as pallor and syncope. **2. Why the other options are incorrect:** * **Ruptured ovarian cyst:** While it causes acute pain and sometimes hemoperitoneum (e.g., ruptured corpus luteum), it is rarely associated with 2 months of amenorrhea or profound shock unless there is massive bleeding. * **Threatened abortion:** This presents with vaginal bleeding and mild cramping, but the cervix remains closed, and there is no shock or signs of intraperitoneal hemorrhage. * **Septic abortion:** This presents with fever, foul-smelling vaginal discharge, and pelvic pain following an incomplete abortion. While shock can occur, it is **septic shock** (fever, tachycardia) rather than hemorrhagic shock. **Clinical Pearls for NEET-PG:** * **Most common site of Ectopic Pregnancy:** Fallopian tube (95%), specifically the **Ampulla**. * **Most common site of Rupture:** Isthmus (occurs early, 6–8 weeks) vs. Ampulla (8–12 weeks). * **Gold Standard Diagnosis:** Transvaginal Ultrasound (TVUS) + Serum $\beta$-hCG (Discriminatory zone: 1500–2000 mIU/ml). * **Management of Rupture:** Immediate resuscitation and **Emergency Laparotomy** (Salpingectomy).

Question 166: Which type of fibroid is most commonly associated with malignancy?

A. Submucosal
B. Intramural (Correct Answer)
C. Ovarian
D. Subserosal

Explanation: **Explanation:** **1. Why Intramural is Correct:** Uterine leiomyomas (fibroids) are benign smooth muscle tumors. While the risk of malignant transformation into a **Leiomyosarcoma (LMS)** is extremely low (approximately 0.2–0.5%), when it does occur, it most frequently arises from an **intramural fibroid**. This is primarily due to the fact that intramural fibroids are the **most common anatomical type** overall. Since they represent the largest pool of fibroid tissue, they statistically account for the majority of cases where sarcomatous changes are identified. **2. Analysis of Incorrect Options:** * **Submucosal (A):** These are located just beneath the endometrium. While they are the most symptomatic (causing heavy menstrual bleeding and infertility), they are less common than intramural types and thus less frequently associated with malignancy. * **Ovarian (C):** Fibroids are tumors of the uterine smooth muscle (myometrium). While "thecoma" or "fibroma" can occur in the ovary, a "leiomyoma" is primarily a uterine pathology. Ovarian involvement is rare and usually secondary (parasitic). * **Subserosal (D):** These grow on the outer surface of the uterus. While they can reach large sizes, they are statistically less common than intramural fibroids. **3. NEET-PG High-Yield Pearls:** * **Most common type of fibroid:** Intramural. * **Most symptomatic type:** Submucosal (causes HMB/AUB). * **Red Flag for Malignancy:** Rapid increase in size of a fibroid in a **postmenopausal** woman. * **Degenerations:** The most common degeneration is **hyaline**; the most common during pregnancy is **red degeneration** (necrobiosis). * **Standard Investigation:** Transvaginal Ultrasound (TVS) is the initial investigation of choice.

Question 167: Endometrial sampling for abnormal uterine bleeding is indicated in all the following situations EXCEPT:

A. Patient aged greater than 45 years
B. Irregular menstrual bleeding
C. Failed medical therapy
D. Multiple sexual partners (Correct Answer)

Explanation: The primary goal of endometrial sampling in Abnormal Uterine Bleeding (AUB) is to rule out **endometrial hyperplasia or malignancy**. **Explanation of the Correct Answer:** **D. Multiple sexual partners:** This is a risk factor for Sexually Transmitted Infections (STIs) and Human Papillomavirus (HPV), which are associated with **Cervical Cancer**, not endometrial cancer. While these patients require a Pap smear and STI screening, "multiple sexual partners" is not an independent indication for sampling the endometrium. **Explanation of Incorrect Options:** * **A. Patient aged >45 years:** According to ACOG and FIGO guidelines, any woman over age 45 presenting with AUB must undergo endometrial sampling as the first-line diagnostic test due to the increased risk of malignancy with age. * **B. Irregular menstrual bleeding:** Specifically in the context of **chronic anovulation** (e.g., PCOS), irregular bleeding leads to "unopposed estrogen" action on the endometrium. This prolonged proliferative phase increases the risk of hyperplasia, necessitating a biopsy if the patient is over 35 or has other risk factors. * **C. Failed medical therapy:** If AUB persists despite adequate medical management (like COCPs or Tranexamic acid), sampling is mandatory to rule out structural pathology or occult malignancy that medical therapy cannot address. **High-Yield Clinical Pearls for NEET-PG:** * **Gold Standard:** Endometrial biopsy (using a Pipelle) is the gold standard for diagnosing endometrial cancer. * **Age Cut-off:** In patients <45 years, sampling is indicated only if there is a history of unopposed estrogen (obesity, PCOS) or failed medical management. * **Postmenopausal Bleeding (PMB):** Any PMB requires evaluation. A **Transvaginal Ultrasound (TVS)** showing an endometrial thickness **>4 mm** is a strong indication for biopsy.

Question 168: What is a potential pregnancy complication in a retroverted uterus?

A. Anterior sacculation of uterus
B. Rupture uterus
C. Abortion
D. All of the above (Correct Answer)

Explanation: In a normal pregnancy, a retroverted uterus typically corrects itself (spontaneously anteverts) by the 12th week of gestation. If it fails to do so, it becomes trapped in the pelvic cavity, leading to **incarceration of the retroverted gravid uterus**. **Explanation of Options:** * **Anterior Sacculation:** This is a compensatory mechanism where the incarcerated posterior wall remains fixed in the pouch of Douglas, and the anterior wall of the uterus stretches excessively to accommodate the growing fetus. This "sac" expands into the abdominal cavity, often displacing the cervix high up behind the symphysis pubis. * **Abortion:** Incarceration leads to increased intrauterine pressure and compromised blood flow. If the uterus cannot expand or correct its position, it may lead to spontaneous miscarriage, typically in the late first or early second trimester. * **Rupture Uterus:** The extreme thinning of the anterior wall (sacculation) during labor or late pregnancy significantly increases the risk of uterine rupture, especially if the condition is unrecognized and the patient undergoes a trial of labor. **NEET-PG High-Yield Pearls:** * **Clinical Presentation:** The classic triad is **pain, paradoxical incontinence** (overflow incontinence due to the cervix pressing against the bladder neck/urethra), and a **palpable pelvic mass**. * **Diagnosis:** On vaginal examination, the cervix is displaced anteriorly and superiorly (often difficult to reach), with a soft mass (the uterine fundus) filling the pouch of Douglas. * **Management:** Most cases resolve with bladder catheterization and manual repositioning (Smith-Hodge pessary). If sacculation is present at term, a **Cesarean Section** is mandatory, as the distorted anatomy makes vaginal delivery dangerous.

Question 169: Which among the following is the commonest site of genital tuberculosis in women?

A. Tubes (Correct Answer)
B. Uterus
C. Cervix
D. Vagina

Explanation: **Explanation:** Genital tuberculosis (GTB) is a significant cause of chronic pelvic inflammatory disease and infertility in developing countries. It is almost always **secondary** to a primary focus elsewhere in the body (usually lungs or lymph nodes), reaching the genital tract primarily via **hematogenous spread**. **1. Why Tubes are the Correct Answer:** The **Fallopian tubes** are the most common site of involvement, affected in **90–100%** of cases. The infection typically starts in the endosalpinx and spreads to other pelvic organs. The tubes are usually affected bilaterally, leading to characteristic findings like "lead pipe" appearance or "tobacco pouch" appearance, which often results in tubal factor infertility. **2. Why Other Options are Incorrect:** * **Uterus (Endometrium):** This is the second most common site, involved in **50–60%** of cases. It is usually secondary to descending spread from the tubes. * **Ovaries:** Involved in about **20–30%** of cases, typically as a perioophoritis. * **Cervix:** A relatively rare site, involved in only **5–15%** of cases. It may mimic cervical malignancy on examination. * **Vagina/Vulva:** These are the rarest sites (approx. **1%**), usually occurring due to direct inoculation or infected discharge from higher up in the tract. **Clinical Pearls for NEET-PG:** * **Order of Frequency:** Fallopian Tubes (100%) > Endometrium (50%) > Ovaries (25%) > Cervix (5%). * **Most Common Symptom:** Infertility (often primary) followed by menstrual irregularities (most commonly oligomenorrhea or amenorrhea). * **Gold Standard Diagnosis:** Endometrial biopsy/aspirate for **histopathology** (showing giant cells/granulomas) and **TB Culture** (Lowenstein-Jensen medium). * **HSG Finding:** "Beaded tube" appearance or "Rosary bead" appearance due to multiple strictures.

Question 170: Ashermann syndrome is secondary to which of the following?

A. Tuberculosis (Correct Answer)
B. Endometrial carcinoma
C. Endometriosis
D. Submucosal fibroid

Explanation: ### Explanation **Asherman Syndrome** refers to the presence of intrauterine adhesions (synechiae) that result in the partial or complete obliteration of the uterine cavity. **Why Tuberculosis is the Correct Answer:** In developing countries like India, **Genital Tuberculosis** is a leading cause of severe Asherman syndrome. The chronic inflammatory process of TB destroys the *basalis layer* of the endometrium, leading to extensive fibrosis and scarring. Unlike trauma-induced adhesions (which are often focal), TB-induced adhesions are typically dense and associated with a poor prognosis for fertility restoration. **Analysis of Incorrect Options:** * **B. Endometrial Carcinoma:** This involves malignant proliferation of the endometrium. While it causes abnormal bleeding, it does not typically cause the adhesive scarring characteristic of Asherman syndrome. * **C. Endometriosis:** This is the presence of endometrial tissue *outside* the uterine cavity (e.g., ovaries, peritoneum). It causes pelvic adhesions, but not intrauterine synechiae. * **D. Submucosal Fibroid:** These are benign myogenic tumors that distort the uterine cavity and cause menorrhagia. They do not cause the adhesive obliteration of the cavity. **High-Yield Clinical Pearls for NEET-PG:** * **Most Common Cause Overall:** Over-vigorous **Dilation and Curettage (D&C)**, especially in a pregnant or recently postpartum uterus (e.g., for retained products of conception). * **Clinical Triad:** Secondary amenorrhea (or hypomenorrhea), cyclic pelvic pain, and infertility/recurrent pregnancy loss. * **Gold Standard Investigation:** **Hysteroscopy** (both diagnostic and therapeutic). * **Hysterosalpingography (HSG) Finding:** Characteristic "filling defects" or a "honeycomb appearance." * **Treatment:** Hysteroscopic adhesiolysis followed by estrogen therapy to promote endometrial regrowth and insertion of an IUCD or Foley catheter to prevent re-adhesion.

Practice by Chapter

Abnormal Uterine Bleeding

Practice Questions

Endometriosis

Practice Questions

Adenomyosis

Practice Questions

Uterine Fibroids

Practice Questions

Ovarian Cysts

Practice Questions

Pelvic Inflammatory Disease

Practice Questions

Vulvovaginitis

Practice Questions

Pelvic Organ Prolapse

Practice Questions

Vulvar Disorders

Practice Questions

Benign Breast Diseases

Practice Questions

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