Gynecological Disorders — MCQs

Gynecological Disorders Indian Medical PG Practice Questions and MCQs

Question 121: Protective factors against the development of endometriosis include all of the following EXCEPT?

A. Multiparity
B. Lactation
C. Tobacco exposure in utero
D. Shorter menstrual cycle length (Correct Answer)

Explanation: **Explanation:** The pathogenesis of endometriosis is most widely explained by **Sampson’s Theory of Retrograde Menstruation**. Factors that increase the total lifetime exposure to menstrual flow or increase the volume of retrograde menstruation are considered **risk factors**, whereas factors that reduce menstrual frequency or flow are **protective**. **Why "Shorter menstrual cycle length" is the correct answer:** A shorter menstrual cycle (e.g., <27 days) implies more frequent periods over a woman's lifetime. This increases the cumulative exposure to retrograde menstruation and endometrial seeding in the peritoneal cavity. Therefore, a shorter cycle is a **risk factor**, not a protective factor. **Analysis of Incorrect Options (Protective Factors):** * **Multiparity:** Pregnancy causes a prolonged state of "physiologic amenorrhea" and high progesterone levels, which antagonize estrogen and prevent menstrual reflux. * **Lactation:** Exclusive breastfeeding causes lactational amenorrhea due to elevated prolactin levels suppressing the HPO axis, thereby reducing the number of menstrual cycles. * **Tobacco exposure in utero:** Interestingly, prenatal exposure to tobacco smoke is associated with a decreased risk of endometriosis in the offspring, likely due to its anti-estrogenic effects on the developing fetal uterus. (Note: Active smoking in adulthood also has anti-estrogenic effects but is not recommended due to other health risks). **High-Yield Clinical Pearls for NEET-PG:** * **Risk Factors:** Early menarche (<11 years), nulliparity, heavy periods (menorrhagia), and Müllerian anomalies (obstructive). * **Protective Factors:** Regular exercise (>4 hours/week), late menarche, and oral contraceptive pills (OCPs). * **Gold Standard Diagnosis:** Laparoscopy with biopsy (visualizing "powder-burn" or "mulberry" lesions). * **Classic Triad:** Dysmenorrhea (congestive), Dyspareunia, and Dyschezia.

Question 122: A 14-year-old girl presents with primary amenorrhea and monthly lower abdominal pain. She has good secondary sexual characteristics with axillary and pubic hair. Examination of the external genitalia reveals a bulging bluish membrane. What is the most appropriate next step in diagnosis?

A. Perform a hormonal profile
B. Perform a karyotype
C. Perform a laparoscopy
D. Perform an ultrasound (Correct Answer)

Explanation: ### Explanation **Correct Answer: D. Perform an ultrasound** The clinical presentation of a 14-year-old girl with **primary amenorrhea**, cyclical monthly pain, and a **bulging bluish membrane** at the introitus is a classic textbook description of **Imperforate Hymen** [1]. The bluish discoloration is due to **hematocolpos** (accumulation of menstrual blood in the vagina) [1]. While the diagnosis is often clinical, the **most appropriate next step** is a pelvic ultrasound. Ultrasound is essential to: 1. Confirm the diagnosis and assess the extent of blood accumulation (hematocolpos, hematometra, or hematosalpinx). 2. **Rule out associated Mullerian anomalies**, such as a transverse vaginal septum or uterine malformations [3]. 3. Differentiate it from more complex conditions like vaginal agenesis [3]. --- ### Why other options are incorrect: * **A. Hormonal Profile:** Not indicated. The presence of secondary sexual characteristics (axillary/pubic hair, breast development) confirms a functional Hypothalamic-Pituitary-Ovarian axis. * **B. Karyotype:** Indicated in cases of suspected Turner syndrome or Androgen Insensitivity Syndrome (AIS) [2]. Here, the presence of a bulging membrane and cyclical pain points to an outflow tract obstruction, not a genetic or chromosomal abnormality. * **C. Laparoscopy:** This is an invasive procedure [2]. It is not a first-line diagnostic tool for primary amenorrhea unless there is a suspicion of endometriosis or complex pelvic pathology that cannot be resolved via imaging. --- ### High-Yield Clinical Pearls for NEET-PG: * **Most common cause of primary amenorrhea with secondary sexual characteristics:** Mullerian Agenesis (Mayer-Rokitansky-Küster-Hauser syndrome) [3]. * **Most common cause of outflow tract obstruction:** Imperforate hymen. * **Treatment of choice:** Cruciate incision (Hymenotomy) to drain the accumulated blood [1]. * **Key Symptom:** "Cyclical" abdominal pain in a young girl who has not yet started her periods is the hallmark of cryptomenorrhea [1].

Question 123: Congenital cervical erosion reappears at what age?

A. One year
B. Two years
C. Five years
D. Puberty (Correct Answer)

Explanation: **Explanation:** **Understanding the Concept:** Congenital cervical erosion (also known as cervical ectopy) occurs when the columnar epithelium of the endocervix extends onto the ectocervix. This phenomenon is strictly **hormone-dependent**, specifically influenced by maternal estrogen. In utero, high levels of maternal estrogen stimulate the growth of the endocervical columnar epithelium. At birth, approximately 1/3rd of female infants have this "erosion." However, once the infant is separated from the mother, maternal estrogen levels drop rapidly. Consequently, the erosion heals (the columnar epithelium retreats or undergoes squamous metaplasia) within a few days to weeks after birth. **Why Puberty is Correct:** The condition remains dormant throughout childhood because estrogen levels are low. At **puberty**, the endogenous production of estrogen by the maturing ovaries increases significantly. This hormonal surge causes the endocervical mucosa to proliferate and "evert" onto the ectocervix again, leading to the reappearance of the erosion. **Analysis of Incorrect Options:** * **A & B (One/Two years):** During this period, the child is in a "hormonal quiescent" phase. Estrogen levels are insufficient to cause cervical epithelial eversion. * **C (Five years):** Similar to infancy, the pre-pubertal period lacks the hormonal stimulus required for the columnar epithelium to migrate outward. **NEET-PG High-Yield Pearls:** * **True Nature:** Cervical "erosion" is a misnomer; there is no actual loss of epithelium. It is technically **Cervical Ectopy**. * **Etiology:** It is seen in three physiological states: Newborn (maternal estrogen), Puberty (endogenous estrogen), and Pregnancy/OCP use (excess estrogen). * **Clinical Appearance:** It appears as a bright red, velvety area around the external os because the thin columnar epithelium allows the underlying vascularity to show through. * **Management:** Physiological erosion is usually asymptomatic and requires no treatment unless complicated by persistent discharge or contact bleeding.

Question 124: Incidence of sterility is maximum in pelvic inflammatory disease caused by:

A. Staphylococci
B. Streptococci
C. Proteus vulgaris
D. Gonococci (Correct Answer)

Explanation: **Explanation:** The correct answer is **Gonococci (Neisseria gonorrhoeae)**. **Why Gonococci is the correct answer:** Pelvic Inflammatory Disease (PID) caused by *Neisseria gonorrhoeae* is characterized by an intense inflammatory response within the endosalpinx. Gonococci specifically target the mucosal lining of the fallopian tubes, leading to the destruction of the ciliated epithelium, extensive scarring, and subsequent tubal occlusion. This structural damage results in a high incidence of **tubal factor infertility (sterility)**. While *Chlamydia trachomatis* is the most common cause of PID overall and often leads to "silent" tubal damage, *N. gonorrhoeae* is traditionally associated with more acute, severe inflammation and a high rate of subsequent sterility after a single episode. **Why the other options are incorrect:** * **Staphylococci and Streptococci:** These organisms are more commonly associated with secondary infections, post-abortal, or puerperal sepsis. They typically cause cellulitis of the pelvic connective tissue (parametritis) rather than primary endosalpingeal destruction, making them less likely to cause primary tubal sterility compared to Gonococci. * **Proteus vulgaris:** This is an opportunistic gram-negative organism. While it can be part of a polymicrobial PID infection, it is rarely the primary pathogen and does not have the specific predilection for tubal mucosa that Gonococci possess. **High-Yield Clinical Pearls for NEET-PG:** * **Risk of Infertility:** The risk of sterility increases with each episode of PID: ~12% after the first episode, ~25% after the second, and ~50% after the third. * **Fitz-Hugh-Curtis Syndrome:** A complication of PID (often Gonococcal or Chlamydial) involving perihepatitis and "violin-string" adhesions. * **Gold Standard Diagnosis:** Laparoscopy is the gold standard for diagnosing PID and visualizing tubal patency.

Question 125: Which of the following is a contraindication for the medical management of ectopic pregnancy?

A. Serum b-hCG less than 5,000 IU/L
B. Ectopic mass measuring less than 4cm in diameter
C. Hemodynamic instability (Correct Answer)
D. Absent embryonic heart activity

Explanation: **Explanation:** The medical management of ectopic pregnancy primarily involves the use of **Methotrexate**, a folic acid antagonist. For this treatment to be safe and effective, the patient must be clinically stable and meet specific criteria. **Why Hemodynamic Instability is the Correct Answer:** Hemodynamic instability (tachycardia, hypotension, or signs of shock) indicates a **ruptured ectopic pregnancy**. This is a surgical emergency. Medical management is strictly contraindicated in these cases because Methotrexate takes time to work and cannot stop active intraperitoneal hemorrhage. Immediate laparoscopy or laparotomy is required to achieve hemostasis. **Analysis of Incorrect Options:** * **A & B (Serum β-hCG < 5,000 IU/L and Mass < 4cm):** These are actually **indications** (inclusion criteria) for medical management. Success rates for Methotrexate are significantly higher when the initial β-hCG is low and the ectopic mass is small. (Note: Some guidelines use 3.5 cm as the cutoff). * **D (Absent embryonic heart activity):** The absence of fetal cardiac activity is a **favorable factor** for medical management. Conversely, the *presence* of embryonic heart activity is a relative contraindication because it predicts a higher rate of Methotrexate failure. **High-Yield Clinical Pearls for NEET-PG:** * **Absolute Contraindications to Methotrexate:** Hemodynamic instability, signs of rupture, breastfeeding, immunodeficiency, and significant renal, hepatic, or hematologic dysfunction. * **Most Common Site of Ectopic Pregnancy:** Ampulla of the Fallopian tube. * **Dose:** Usually 50 mg/m² intramuscularly (Single-dose protocol). * **Monitoring:** β-hCG levels are measured on Day 4 and Day 7. A drop of **≥15%** between Day 4 and Day 7 indicates successful treatment.

Question 126: Which of the following is an example of dysfunctional uterine bleeding?

A. Hypothyroidism
B. Pelvic inflammatory disease (PID)
C. Cervical erosion
D. None of the above (Correct Answer)

Explanation: **Explanation:** The correct answer is **None of the above** because **Dysfunctional Uterine Bleeding (DUB)** is strictly defined as abnormal uterine bleeding (AUB) in the absence of any detectable organic, systemic, or iatrogenic cause. It is a diagnosis of exclusion, typically resulting from a hormonal imbalance—most commonly anovulation. **Why the options are incorrect:** * **Hypothyroidism (Option A):** This is a **systemic/endocrinological cause** of AUB. Under the FIGO PALM-COEIN classification, this falls under "Coagulopathy" or "Endometrial" dysfunction secondary to systemic disease, rather than DUB. * **Pelvic Inflammatory Disease (Option B):** This is an **infectious/inflammatory cause**. Bleeding occurs due to friable tissue and endometritis, which is a structural/organic pathology. * **Cervical Erosion (Option C):** This is a **local anatomical cause**. Bleeding from the cervix (post-coital or intermenstrual) is not uterine in origin and is categorized as a local lesion. **NEET-PG High-Yield Pearls:** 1. **FIGO Classification:** The term "DUB" is being replaced by the **PALM-COEIN** system. DUB corresponds most closely to the **"Non-structural"** categories: Coagulopathy (C), Ovulatory dysfunction (O), and Endometrial (E). 2. **Most Common Cause:** 80% of DUB cases are **Anovulatory**, leading to estrogen breakthrough bleeding due to the absence of progesterone (no corpus luteum). 3. **Age Groups:** Anovulatory DUB is most common at the extremes of reproductive life (menarche and perimenopause). 4. **Gold Standard Investigation:** To rule out organic pathology in women >35 years, **Endometrial Biopsy** or D&C is essential to exclude malignancy.

Question 127: Endometriosis has been identified in all of the following organs except:

A. Pleura
B. Spleen (Correct Answer)
C. Pericardium
D. Ureter

Explanation: **Explanation:** Endometriosis is defined as the presence of functioning endometrial tissue (stroma and glands) outside the uterine cavity. While it is most commonly found in the dependent parts of the pelvis (ovaries, pouch of Douglas, and uterosacral ligaments), it can spread to distant sites via hematogenous or lymphatic routes. **Why Spleen is the correct answer:** The **spleen** is famously known as the only organ in the human body where endometriosis has **never** been documented. This is a classic "except" question in PG entrance exams. The reason is likely due to the spleen’s high immunologic activity and its unique microenvironment, which prevents the implantation and growth of ectopic endometrial cells. **Analysis of other options:** * **Pleura:** Thoracic endometriosis is a recognized entity. It can lead to **Catamenial Pneumothorax** (collapsed lung occurring during menstruation). * **Pericardium:** Though extremely rare, cases of pericardial endometriosis have been documented, presenting as catamenial pericardial effusion or tamponade. * **Ureter:** Urinary tract endometriosis occurs in about 1–2% of cases, with the bladder being the most common site, followed by the ureter. It can lead to silent hydronephrosis. **High-Yield Clinical Pearls for NEET-PG:** * **Most common site:** Ovary (often forming "Chocolate cysts" or Endometriomas). * **Most common site for distant/extra-pelvic endometriosis:** Lungs and Pleura. * **Sampson’s Theory:** The most accepted theory for pelvic endometriosis (Retrograde Menstruation). * **Halban’s Theory:** Explains distant spread via lymphatics. * **Gold Standard Diagnosis:** Laparoscopy with biopsy (visualized as "powder-burn" or "gunshot" lesions).

Question 128: A patient presented with vaginal discharge and a positive Whiff test. What is the most likely diagnosis?

A. Bacterial vaginosis (Correct Answer)
B. Candidal vaginitis
C. Gonococcal infection
D. Chlamydial infection

Explanation: **Explanation:** The clinical presentation of vaginal discharge combined with a **positive Whiff test** is pathognomonic for **Bacterial Vaginosis (BV)**. BV is not a true infection but a clinical syndrome characterized by a shift in vaginal flora, where protective *Lactobacillus* species are replaced by anaerobes like *Gardnerella vaginalis* and *Mobiluncus*. **Why Bacterial Vaginosis is correct:** The Whiff test (Amine test) involves adding 10% KOH to a sample of vaginal discharge. In BV, the alkaline KOH causes the release of volatile amines (putrescine and cadaverine), resulting in a characteristic **"fishy odor."** This is one of the four **Amsel’s Criteria** (3 out of 4 required for diagnosis): 1. Thin, homogenous, grayish-white discharge. 2. Vaginal pH > 4.5. 3. Positive Whiff test. 4. Presence of **Clue cells** on wet mount (most specific finding). **Why other options are incorrect:** * **Candidal vaginitis:** Presents with a thick, "curd-like" or "cottage cheese" discharge and intense pruritus. The pH is typically normal (<4.5), and the Whiff test is negative. * **Gonococcal/Chlamydial infections:** These primarily cause cervicitis rather than vaginitis. While they may cause mucopurulent discharge, they do not produce the volatile amines necessary for a positive Whiff test. **High-Yield Clinical Pearls for NEET-PG:** * **Drug of Choice:** Oral Metronidazole (500 mg twice daily for 7 days). * **Pregnancy:** BV is associated with preterm labor and PPROM; it should be treated even in asymptomatic pregnant patients in some clinical contexts. * **Gold Standard Diagnosis:** Nugent Scoring (based on Gram stain morphotypes). * **Key Distinction:** Unlike Trichomoniasis (which also has a high pH and sometimes a positive Whiff test), BV is **not** considered a classic sexually transmitted infection, and routine treatment of the male partner is not recommended.

Question 129: Which uterine malformation is most commonly associated with poor obstetric outcomes?

A. Bicornuate uterus
B. Unicornuate uterus
C. Septate uterus (Correct Answer)
D. Uterus didelphys

Explanation: **Explanation:** The **Septate uterus** is the most common uterine anomaly and is associated with the **poorest obstetric outcomes**. This is primarily due to the presence of a midline septum (a failure of resorption of the Mullerian ducts). The septum is composed of fibroelastic tissue with **poor vascularization** and an irregular arrangement of muscle fibers. If an embryo implants on the septum, the inadequate blood supply leads to early pregnancy loss, recurrent miscarriages (highest rate among all anomalies), and malpresentation. **Analysis of Options:** * **Bicornuate Uterus (Option A):** Results from partial failure of fusion of the Mullerian ducts. While it increases the risk of preterm labor and malpresentation, the pregnancy outcomes are generally better than a septate uterus because the uterine horns have normal vascularity. * **Unicornuate Uterus (Option B):** Results from the failure of one Mullerian duct to develop. It is associated with high rates of ectopic pregnancy (in the rudimentary horn) and preterm birth, but it is less common than septate uterus. * **Uterus Didelphys (Option C):** A complete failure of fusion resulting in two separate uteri and cervices. Surprisingly, this condition often has a relatively good prognosis for carrying a pregnancy to term compared to a septate uterus. **High-Yield Clinical Pearls for NEET-PG:** * **Most Common Uterine Anomaly:** Septate Uterus. * **Anomaly with Best Obstetric Outcome:** Uterus Didelphys / Arcuate Uterus. * **Gold Standard Investigation:** Combined Laparoscopy and Hysteroscopy (to differentiate Bicornuate from Septate). * **Treatment of Choice for Septate Uterus:** Hysteroscopic Septal Resection (Metroplasty). * **Renal Anomalies:** Always screen the renal system (e.g., renal agenesis) in patients with Mullerian duct anomalies, as they share a common embryological origin.

Question 130: Which one of the following sites of endometriosis is not treated by medical therapy?

A. Rectosigmoid
B. Ovarian (Correct Answer)
C. Episiotomy
D. Pulmonary

Explanation: **Explanation:** The primary reason **Ovarian Endometriosis (Endometrioma)** does not respond to medical therapy is the nature of the lesion. Unlike superficial peritoneal implants, an endometrioma (Chocolate cyst) is a collection of old, sequestered blood within a thick fibrous capsule. While hormonal treatment (like GnRH agonists or Progestins) can suppress the ectopic endometrial lining, it cannot "dissolve" or drain the pre-existing thick, tarry fluid within the cyst. Therefore, surgical intervention (cystectomy) is the gold standard for ovarian endometriomas. **Analysis of Options:** * **Rectosigmoid (A):** While deep infiltrating endometriosis (DIE) often requires surgery, medical therapy is frequently used to reduce inflammation and alleviate cyclic bowel symptoms. * **Episiotomy (C):** Cutaneous or scar endometriosis can be managed with hormonal suppression to reduce the size and pain of the nodule, though definitive treatment is wide local excision. * **Pulmonary (D):** Thoracic endometriosis (causing catamenial pneumothorax or hemoptysis) is primarily managed medically with GnRH agonists to suppress the menstrual cycle and prevent recurrent lung collapse. **Clinical Pearls for NEET-PG:** * **Drug of Choice:** Combined Oral Contraceptive Pills (COCPs) or Progestins (Dienogest) are first-line for pain. * **Gold Standard Diagnosis:** Laparoscopy with biopsy ("Powder-burn" or "Gunshot" lesions). * **Ovarian Endometrioma:** Characterized by a "Ground-glass appearance" on Ultrasound. * **Sampson’s Theory:** The most accepted theory for the pathogenesis of endometriosis (Retrograde menstruation).

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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