Gynecological Disorders Practice Questions

Q: A patient presents with creamy white or slightly green vaginal discharge. What is the drug of choice?

Metronidazole. **Explanation:** The clinical presentation of **creamy white or slightly green vaginal discharge** is characteristic of **Trichomoniasis**, a sexually transmitted infection caused by the protozoan *Trichomonas vaginalis*. While the discharge is classically described as "frothy" and "greenish-yellow," variations in consistency (creamy) and color (white to green) are common clinical findings. **1. Why Metronidazole is the Correct Answer:** Metronidazole is the **Drug of Choice (DOC)** for Trichomoniasis. It is a nitroimidazole that works by inhibiting nucleic acid synthesis in anaerobic bacteria and protozoa. The standard treatment is either a single 2g oral dose or 500mg twice daily for 7 days. It is also the DOC for **Bacterial Vaginosis (BV)**, which presents with a thin, grayish-white discharge. **2. Why Other Options are Incorrect:** * **Doxycycline & Ofloxacin:** These are used in the treatment of Pelvic Inflammatory Disease (PID) or infections caused by *Chlamydia trachomatis* and *Neisseria gonorrhoeae*. They are ineffective against protozoal infections like Trichomoniasis. * **Clindamycin:** While Clindamycin can be used as an alternative for Bacterial Vaginosis (especially in patients allergic to Metronidazole), it is not the primary choice for Trichomoniasis. **3. NEET-PG High-Yield Pearls:** * **Strawberry Cervix:** Punctate hemorrhages on the cervix (Colpitis macularis) are pathognomonic for Trichomoniasis (seen in ~10% of cases). * **pH Factor:** In both Trichomoniasis and BV, the vaginal pH is typically **>4.5**. * **Partner Treatment:** Unlike Candidiasis or BV, Trichomoniasis is a true STI; therefore, **simultaneous treatment of the male partner** is mandatory to prevent reinfection. * **Whiff Test:** A positive Whiff test (fishy odor with KOH) is more characteristic of BV but can occasionally be positive in Trichomoniasis.

Q: Which type of uterus is characterized by two separate endometrial cavities and two separate vaginas?

Didelphys. **Explanation:** The correct answer is **Didelphys**. This condition results from the **complete failure of fusion** of the two Müllerian (paramesonephric) ducts. Consequently, each duct develops independently into a separate hemi-uterus, cervix, and often a longitudinal vaginal septum, leading to two separate endometrial cavities and two separate vaginas. **Analysis of Options:** * **Bicornuate Uterus:** Caused by **partial failure of fusion** of the Müllerian ducts. It presents as two uterine horns with a single cervix (Bicornuate Unicollis) or two cervices (Bicornuate Bicollis), but it does not typically involve two separate vaginas. * **Septate Uterus:** Results from the **failure of resorption** of the midline septum after the ducts have fused. It features a single outer uterine contour but a divided cavity. This is the most common Müllerian anomaly and is associated with the highest rate of miscarriage. * **Arcuate Uterus:** A mild variation where there is a small indentation in the fundal midline. It is considered a normal variant and does not significantly impact reproductive outcomes. **High-Yield Clinical Pearls for NEET-PG:** * **Müllerian Agenesis (MRKH Syndrome):** Absence of the uterus and upper 2/3rd of the vagina; ovaries are functional (46, XX). * **Renal Anomalies:** Always screen the renal system (e.g., via Ultrasound/IVP) in patients with Müllerian anomalies, as they share a common embryological origin (up to 30-50% association). * **HSG vs. MRI:** Hysterosalpingography (HSG) can identify the cavity shape, but **MRI or 3D Ultrasound** is the gold standard for distinguishing between Bicornuate and Septate uteri by visualizing the external fundal contour.

Q: What is the recommended treatment for an ovarian cyst in a post-menopausal patient?

Immediate removal. **Explanation:** In post-menopausal women, any palpable ovarian mass is considered abnormal and must be approached with a high index of suspicion for malignancy. Unlike pre-menopausal women, where functional cysts (follicular or corpus luteal) are common and often resolve spontaneously, post-menopausal ovaries are physiologically inactive. Therefore, the **"Wait and Watch"** approach is generally avoided. **Why Option A is Correct:** The risk of ovarian cancer increases significantly with age, peaking in the 60s and 70s. Because post-menopausal ovaries should be atrophic, any new cyst or enlargement is potentially neoplastic. **Immediate surgical removal** (usually via salpingo-oophorectomy) is the standard of care to obtain a definitive histopathological diagnosis and to prevent the progression of an undiagnosed malignancy. **Why Options B, C, and D are Incorrect:** * **B, C, and D (Delayed removal):** These options suggest a period of observation. While a very small (<5cm), simple, unilocular cyst with a low CA-125 level may sometimes be monitored in highly specific clinical scenarios, the standard teaching for NEET-PG is that a post-menopausal ovarian cyst requires prompt intervention. Delaying surgery for 2 weeks to 3 months risks the metastasis of an early-stage ovarian carcinoma. **High-Yield Clinical Pearls for NEET-PG:** * **RMI (Risk of Malignancy Index):** Used to assess ovarian masses. It calculates: $U (Ultrasound\ score) \times M (Menopausal\ status) \times CA\text{-}125\ level$. * **Post-menopausal Palpable Ovary Syndrome:** A classic clinical sign where an ovary palpable on bimanual examination in a post-menopausal woman is considered malignant until proven otherwise. * **Investigation of Choice:** Transvaginal Ultrasound (TVUS) is the primary imaging modality, followed by serum CA-125 levels.

Q: All of the following protect against endometriosis except?

Nulliparity. **Explanation:** Endometriosis is an estrogen-dependent condition characterized by the presence of endometrial tissue outside the uterine cavity. The primary pathophysiology involves **retrograde menstruation** (Sampson’s theory); therefore, factors that increase the number of menstrual cycles or estrogen exposure increase the risk, while factors that decrease them are protective. * **Why Nulliparity is the correct answer:** Nulliparity (never having given birth) is a **risk factor**, not a protective factor. It implies uninterrupted menstrual cycles and prolonged exposure to endogenous estrogen, providing more opportunities for retrograde menstruation and implantation of ectopic tissue. * **Why the other options are protective:** * **Pregnancy:** This is a state of physiological amenorrhea and high progesterone levels. Progesterone causes decidualization and atrophy of endometrial tissue, effectively "halting" the disease. * **Exercise:** Regular vigorous exercise (especially >4 hours/week) is associated with lower estrogen levels and increased SHBG (Sex Hormone Binding Globulin), which reduces the bioavailability of estrogen. * **Smoking:** Although harmful to general health, smoking has an anti-estrogenic effect (by inducing hepatic metabolism of estrogen and inhibiting aromatase). Statistically, smokers have a decreased risk of endometriosis, though this is never clinically recommended as a preventive measure. **High-Yield Clinical Pearls for NEET-PG:** * **Risk Factors:** Early menarche, late menopause, short menstrual cycles (<27 days), and mullerian anomalies (causing outflow obstruction). * **Protective Factors:** Multiparity, extended breastfeeding, and oral contraceptive pills (OCPs). * **Gold Standard Diagnosis:** Laparoscopy with biopsy (visualizing "powder-burn" or "gunshot" lesions). * **Classic Triad:** Dysmenorrhea, Dyspareunia, and Dyschezia.

Q: What is the most common cause of death in ectopic pregnancy?

Hemorrhage. **Explanation:** **Why Hemorrhage is the Correct Answer:** Ectopic pregnancy occurs when a fertilized ovum implants outside the uterine cavity, most commonly in the **ampulla of the fallopian tube (70%)**. Unlike the uterus, the fallopian tube is not designed to accommodate a growing embryo. As the pregnancy progresses, the trophoblastic invasion erodes maternal blood vessels, and the limited distensibility of the tube eventually leads to **tubal rupture**. This results in massive intraperitoneal hemorrhage and hypovolemic shock. Hemorrhage remains the leading cause of pregnancy-related mortality in the first trimester worldwide. **Analysis of Incorrect Options:** * **A. Bowel obstruction:** While pelvic adhesions from a chronic ectopic pregnancy or previous surgeries could theoretically cause obstruction, it is an extremely rare complication and not a cause of acute mortality. * **C. Infection:** While pelvic inflammatory disease (PID) is a major *risk factor* for developing an ectopic pregnancy, infection/sepsis is rarely the primary cause of death in the acute presentation of a ruptured ectopic. **High-Yield Clinical Pearls for NEET-PG:** * **Most common site:** Fallopian tube (95%), specifically the **Ampulla**. * **Most dangerous site:** **Interstitium (Cornual)**. Rupture here occurs later (12–16 weeks) and causes the most profuse bleeding because of the proximity to the uterine artery. * **Classic Triad:** Amenorrhea, abdominal pain, and vaginal bleeding (present in only 50% of cases). * **Gold Standard Diagnosis:** Transvaginal Ultrasound (TVUS) + Serial β-hCG levels (Discriminatory zone: 1500–2000 mIU/mL). * **Management:** Hemodynamically unstable patients require immediate **Laparotomy**. Stable patients may be candidates for Laparoscopy or medical management with Methotrexate.

Q: What is the most common site of a tubal pregnancy?

Ampulla. **Explanation:** Ectopic pregnancy occurs when a fertilized ovum implants outside the normal uterine cavity. The **Fallopian tube** is the most common site for ectopic pregnancy (95–97%). **1. Why Ampulla is Correct:** The **Ampulla** is the most common site of tubal pregnancy, accounting for approximately **70–80%** of cases. This is primarily because the ampulla is the widest and longest part of the fallopian tube, and it is the physiological site where fertilization typically occurs. If the transport of the zygote is delayed, it is most likely to implant here. **2. Analysis of Incorrect Options:** * **Isthmus (12%):** This is the second most common site. Due to the narrow lumen, pregnancies here tend to rupture earlier (6–8 weeks) than those in the ampulla. * **Fimbria (5%):** Implantation occurs at the distal end of the tube. These often result in "tubal abortions" rather than ruptures. * **Interstitial/Intramural (2%):** This is the least common tubal site. However, it is the most dangerous because the area is highly vascular (supplied by both uterine and ovarian arteries). Rupture here occurs late (12–16 weeks) and can lead to catastrophic, life-threatening hemorrhage. **Clinical Pearls for NEET-PG:** * **Most common site of Ectopic Pregnancy:** Fallopian Tube (Ampulla). * **Most common site of Ovarian Pregnancy:** Corpus Luteum. * **Classic Triad:** Amenorrhea, abdominal pain, and vaginal bleeding (present in only 50% of cases). * **Arias-Stella Reaction:** Hypersecretory endometrium seen on biopsy; it is suggestive but not diagnostic of ectopic pregnancy. * **Gold Standard Diagnosis:** Transvaginal Ultrasound (TVUS) + Serum β-hCG (Discriminatory zone: 1500–2000 mIU/mL).

Q: In which of the following gynecological conditions is intravenous urography advisable to perform?

Bicornuate uterus. **Explanation:** **Correct Answer: B. Bicornuate uterus** The correct answer is **Bicornuate uterus** because of the shared embryological origin of the genital and urinary systems. Both systems develop from the intermediate mesoderm. The **Müllerian ducts** (paramesonephric ducts), which form the uterus, fallopian tubes, and upper vagina, develop in close proximity to the **Wolffian ducts** (mesonephric ducts), which are essential for the development of the kidneys and ureters. When there is a failure in the fusion or development of the Müllerian ducts (resulting in anomalies like a bicornuate, septate, or unicornuate uterus), there is a high incidence (**up to 30-40%**) of associated **congenital renal anomalies**. These include renal agenesis, ectopic kidney, or horseshoe kidney. Therefore, an Intravenous Urography (IVU) or Ultrasound of the renal tract is mandatory to screen for these silent but significant urinary tract malformations. **Why other options are incorrect:** * **A. Endometriosis:** This is a functional disorder where endometrial tissue grows outside the uterus. While severe deep infiltrating endometriosis can involve the ureters, it is not a congenital structural anomaly requiring routine IVU. * **C. Adenomyosis:** This is a benign condition where the endometrial stroma and glands invade the myometrium. It is an acquired condition and is not associated with congenital renal defects. * **D. Uterine polyp:** These are localized overgrowths of the endometrial lining. They are purely intrauterine and have no association with the urinary system. **High-Yield Clinical Pearls for NEET-PG:** * **Müllerian Anomalies:** Always screen the renal system (USG/IVU). * **Most common renal anomaly** associated with Müllerian agenesis (Mayer-Rokitansky-Küster-Hauser syndrome) is **Unilateral Renal Agenesis**. * **Wunderlich Syndrome:** A triad of uterus didelphys, obstructed hemivagina, and ipsilateral renal agenesis.

Q: Maximum chances of ureteric injury are with which of the following procedures?

Wertheim's hysterectomy. **Explanation:** The ureter is one of the most vulnerable structures during pelvic surgeries due to its close anatomical proximity to the uterus and cervix. **Why Wertheim’s Hysterectomy is the Correct Answer:** Wertheim’s hysterectomy (Radical Hysterectomy) is performed for cervical cancer. It involves extensive dissection of the **"Ureteric Tunnel"** (unroofing the ureter) and the mobilization of the ureter from its bed to allow for the wide excision of the parametrium and pelvic lymph nodes. This extensive dissection increases the risk of both direct surgical trauma (crushing or transection) and devascularization (ischemic injury), making it the procedure with the highest incidence of ureteric injury. **Analysis of Incorrect Options:** * **Total Abdominal Hysterectomy (TAH):** While TAH is the most common cause of ureteric injury in absolute numbers (due to the high volume of procedures performed), the *percentage risk* per procedure is significantly lower than in radical surgery. * **Vaginal Hysterectomy:** The risk is lower as the ureters are generally displaced laterally and superiorly when the bladder is pushed up. * **Anterior Colporrhaphy:** This procedure involves the vaginal wall and bladder base; while bladder injury is a risk, ureteric injury is rare unless the sutures are placed too laterally near the trigone. **High-Yield Clinical Pearls for NEET-PG:** * **Most common site of injury:** At the level of the **Ischial Spine**, where the ureter passes under the uterine artery ("Water under the bridge"). * **Second most common site:** At the **Infundibulopelvic ligament** during ligation of the ovarian vessels. * **Gold standard for diagnosis:** Intraoperative recognition is best; postoperatively, **IVP (Intravenous Pyelogram)** or CT Urography is used. * **Prevention:** Intraoperative identification and "skeletonization" of the ureter are key in radical cases.

Q: A 30-year-old female presents with a fishy vaginal discharge. On examination, the vagina is not erythematous and the cervix appears normal. Which of the following criteria is NOT required for the diagnosis of bacterial vaginosis?

Abundant lactobacilli. The diagnosis of **Bacterial Vaginosis (BV)** is clinically established using the **Amsel Criteria**. BV is not an infection in the traditional sense, but a dysbiosis characterized by a shift in vaginal flora from acid-producing Lactobacilli to anaerobic bacteria (e.g., *Gardnerella vaginalis*, *Mobiluncus*). ### Why "Abundant lactobacilli" is the Correct Answer: In a healthy vaginal ecosystem, *Lactobacillus* species are the dominant organisms; they maintain an acidic pH by producing lactic acid. In BV, there is a **marked reduction or absence of Lactobacilli**. Therefore, the presence of abundant lactobacilli contradicts a diagnosis of BV. ### Explanation of Incorrect Options (Amsel Criteria): To diagnose BV, at least **3 out of the following 4** criteria must be present: * **Vaginal pH > 4.5:** The loss of Lactobacilli leads to a rise in pH, making the environment more alkaline. * **Positive Whiff’s Test:** Adding 10% KOH to the discharge releases volatile amines (putrescine/cadaverine), resulting in a characteristic "fishy odor." * **Presence of Clue Cells:** These are vaginal epithelial cells coated with coccobacilli, giving them a "stippled" or "shaggy" appearance under microscopy. This is the **most specific** finding. * **Homogeneous Discharge:** A thin, grayish-white, non-inflammatory discharge that smoothly coats the vaginal walls. ### NEET-PG High-Yield Pearls: * **Nugent Scoring:** The "Gold Standard" for BV diagnosis (based on Gram stain morphotypes). A score of 7–10 is diagnostic. * **Treatment of Choice:** Oral or topical **Metronidazole** (500 mg BID for 7 days). * **Key Distinction:** Unlike Trichomoniasis or Candidiasis, BV is **not** associated with vaginal inflammation (no redness or itching). * **Pregnancy Risk:** BV is associated with preterm labor and PPROM.

Question 1

A patient presents with creamy white or slightly green vaginal discharge. What is the drug of choice?

Accepted Answer

Metronidazole

Answer

Doxycycline

Answer

Ofloxacin

Answer

Clindamycin

Question 2

Which type of uterus is characterized by two separate endometrial cavities and two separate vaginas?

Accepted Answer

Didelphys

Answer

Bicornuate

Answer

Septate

Answer

Arcuate

Question 3

What is the recommended treatment for an ovarian cyst in a post-menopausal patient?

Accepted Answer

Immediate removal

Answer

Removal after 2 weeks

Answer

Removal after 6 weeks

Answer

Removal after 3 months

Question 4

All of the following protect against endometriosis except?

Accepted Answer

Nulliparity

Answer

Pregnancy

Answer

Exercise

Answer

Smoking

Question 5

What is the most common cause of death in ectopic pregnancy?

Accepted Answer

Hemorrhage

Answer

Bowel obstruction

Answer

Infection

Answer

None of the above

Question 6

What is the most common site of a tubal pregnancy?

Accepted Answer

Ampulla

Answer

Isthmus

Answer

Fimbria

Answer

Interstitial

Question 7

In which of the following gynecological conditions is intravenous urography advisable to perform?

Accepted Answer

Bicornuate uterus

Answer

Endometriosis

Answer

Adenomyosis

Answer

Uterine polyp

Question 8

Maximum chances of ureteric injury are with which of the following procedures?

Accepted Answer

Wertheim's hysterectomy

Answer

Total abdominal hysterectomy (TAH)

Answer

Anterior colporrhaphy

Answer

Vaginal hysterectomy

Question 9

A 30-year-old female presents with a fishy vaginal discharge. On examination, the vagina is not erythematous and the cervix appears normal. Which of the following criteria is NOT required for the diagnosis of bacterial vaginosis?

Accepted Answer

Abundant lactobacilli

Answer

Vaginal pH greater than 4.5

Answer

Positive Whiff's test

Answer

Presence of clue cells

Question 10

A 30-year-old female presents to the gynecology OPD with complaints of recurrent abortions and menorrhagia. Her USG showed two subserosal fibroids of 3 x 4 cm each on the anterior wall of the uterus and fundus. What is the best line of management?

Accepted Answer

Myomectomy

Answer

Total abdominal hysterectomy with bilateral salpingo-oophorectomy

Answer

Myolysis

Answer

Uterine artery embolisation

Gynecological Disorders — MCQs

Gynecological Disorders — MCQs

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