Gynecological Disorders Practice Questions

Q: Endometriosis is commonly associated with which of the following?

Bilateral chocolate cysts of the ovary. **Explanation:** **Endometriosis** is defined as the presence of functioning endometrial tissue outside the uterine cavity. The ovary is the most common site of endometriosis. When blood accumulates within the ovary over multiple cycles, it forms an endometrioma, famously known as a **"Chocolate Cyst"** due to the thick, dark, tarry appearance of the old sequestered blood. 1. **Why Option A is correct:** In approximately **50% of cases**, ovarian involvement in endometriosis is **bilateral**. The presence of bilateral chocolate cysts is a classic hallmark of the disease and is frequently tested in NEET-PG as a diagnostic feature on ultrasound (showing characteristic "ground-glass" echoes). 2. **Why other options are incorrect:** * **Adenomyosis (Option B):** While often called "endometriosis interna," it is a distinct pathological entity where the endometrium invades the myometrium. Although they can coexist, they are separate conditions with different clinical presentations (e.g., a globally enlarged, globular uterus). * **Fibroid (Option C):** Leiomyomas are benign monoclonal tumors of smooth muscle cells. There is no direct pathophysiological link between fibroids and endometriosis, though both are estrogen-dependent. * **Luteal Cyst (Option D):** This is a functional physiological cyst formed after ovulation. It is not related to the ectopic endometrial tissue seen in endometriosis. **Clinical Pearls for NEET-PG:** * **Most common site:** Ovary (followed by the Pouch of Douglas). * **Gold Standard Diagnosis:** Laparoscopy ("Powder-burn" or "Gunshot" lesions). * **Classic Triad:** Dysmenorrhea (congestive), Dyspareunia, and Infertility. * **Tumor Marker:** CA-125 is often elevated but lacks specificity. * **Sampson’s Theory:** Retrograde menstruation is the most widely accepted theory for its pathogenesis.

Q: Which of the following statements regarding leukemia in pregnancy is false?

Termination of pregnancy will improve prognosis.. **Explanation:** Leukemia is a rare but serious malignancy during pregnancy, occurring in approximately 1 in 75,000 to 100,000 pregnancies. **Why Option C is the Correct Answer (False Statement):** The prognosis of leukemia is determined by the cytogenetic profile and the subtype of the disease, not by the pregnancy itself. **Termination of pregnancy does not improve the maternal prognosis or alter the course of the disease.** Management is dictated by the gestational age; while immediate chemotherapy is required for acute leukemias (even in the first trimester), the pregnancy is usually only terminated if the mother requires urgent teratogenic treatment that cannot be delayed. **Analysis of Incorrect Options:** * **Option A:** Leukemias are by definition neoplastic proliferations of hematopoietic cells that **arise from the bone marrow** and involve the peripheral blood. * **Option B:** While the term "remission" usually refers to the response to chemotherapy, it is a known clinical observation that some patients may experience a temporary stabilization or **spontaneous (though rare) remission** during pregnancy due to hormonal changes, though this is not a reliable therapeutic effect. * **Option D:** The incidence of most leukemias (especially Chronic Myeloid Leukemia and Chronic Lymphocytic Leukemia) **increases with age**, making it more common in women approaching the end of their reproductive years (above 40). **High-Yield NEET-PG Pearls:** * **Most common type in pregnancy:** Acute Myeloid Leukemia (AML) is the most frequent acute leukemia diagnosed during pregnancy. * **Chemotherapy Timing:** Avoided in the 1st trimester (teratogenic risk); relatively safe in the 2nd and 3rd trimesters. * **Vaginal Delivery:** Always preferred over Cesarean section unless there are obstetric indications, to minimize the risk of infection and hemorrhage in an immunocompromised patient.

Q: All of the following are causes of primary amenorrhea with eugonadism, EXCEPT:

GnRH deficiency. **Explanation:** The term **Eugonadism** in the context of primary amenorrhea refers to the presence of normal secondary sexual characteristics (breast development), indicating a functional Hypothalamic-Pituitary-Ovarian (HPO) axis and adequate estrogen production. **1. Why GnRH Deficiency is the Correct Answer:** GnRH deficiency (e.g., Kallmann Syndrome) leads to **Hypogonadotropic Hypogonadism**. Without GnRH, there is no stimulation of FSH/LH, resulting in failed follicular development and low estrogen. This leads to a lack of secondary sexual characteristics (infantile breasts). Therefore, it is a cause of primary amenorrhea with **hypogonadism**, not eugonadism. **2. Analysis of Incorrect Options (Causes of Eugonadism):** * **Mullerian Agenesis (MRKH Syndrome):** The HPO axis is intact (normal hormones/ovaries), but the uterus and upper vagina are absent. Patients have normal breast development but primary amenorrhea. * **PCOS:** While more common in secondary amenorrhea, it can present as primary. The HPO axis is functional (often with high LH), and estrogen levels are normal or elevated, leading to normal breast development. * **Congenital Adrenal Hyperplasia (CAH):** In non-salt wasting or late-onset forms, peripheral conversion of androgens to estrogens can maintain breast development despite virilization and amenorrhea. **Clinical Pearls for NEET-PG:** * **Primary Amenorrhea + No Breasts:** Think Hypogonadism (Turner Syndrome - Hypergonadotropic; Kallmann - Hypogonadotropic). * **Primary Amenorrhea + Normal Breasts:** Think Outflow tract obstruction (MRKH, Imperforate hymen) or Endocrine dysfunction (PCOS, CAH, AIS). * **Androgen Insensitivity Syndrome (AIS):** These patients have breasts (due to peripheral aromatization) but are genetically 46,XY and lack a uterus.

Q: Mifepristone causes which of the following effects on uterine fibroids?

Atrophy of the fibroid. **Explanation:** **Mifepristone** is a Selective Progesterone Receptor Modulator (SPRM). Since uterine fibroids (leiomyomas) are highly dependent on both estrogen and progesterone for growth, mifepristone acts as a competitive antagonist at the progesterone receptor level. 1. **Why Option B is Correct:** Mifepristone inhibits the action of progesterone, which is essential for the proliferation of leiomyoma cells. By blocking these receptors, it induces **atrophy** of the fibroid tissue, leading to a significant reduction in tumor volume (approximately 25–50%) and a decrease in associated symptoms like heavy menstrual bleeding (menorrhagia). 2. **Why Other Options are Incorrect:** * **Option A:** Hyperplasia implies growth or increase in cell number. Mifepristone inhibits growth; it does not promote it. * **Option C:** Mifepristone has a well-documented clinical effect on reducing fibroid size, making "no effect" incorrect. * **Option D:** While the baseline size of fibroids may vary with age (due to hormonal status), the pharmacological mechanism of mifepristone (receptor blockade) remains consistent regardless of the patient's age. **High-Yield Clinical Pearls for NEET-PG:** * **Mechanism in Fibroids:** It reduces the volume of the fibroid and induces amenorrhea in a high percentage of patients. * **PAEC:** A specific side effect of long-term SPRM use (like Mifepristone or Ulipristal) is **Progesterone Receptor Modulator Associated Endometrial Changes (PAEC)**, which is a benign form of endometrial thickening, not to be confused with typical hyperplasia. * **Other Uses:** Medical abortion (with Misoprostol), induction of labor (IUFD), and management of Cushing’s syndrome. * **Ulipristal Acetate:** Another SPRM used for fibroids, often considered more potent than Mifepristone for this specific indication.

Q: Which organism contributes to the vaginal defense mechanism?

Doderlein's bacillus. **Explanation:** The vaginal ecosystem is a delicate balance of flora, where **Doderlein’s bacilli** (a species of *Lactobacillus*) play the most critical role in the defense mechanism. These Gram-positive bacilli convert glycogen, stored in the vaginal squamous epithelium under the influence of estrogen, into **lactic acid**. This process maintains a healthy, acidic vaginal pH (typically **3.8 to 4.5**), which inhibits the growth of pathogenic bacteria and prevents infections like Bacterial Vaginosis. **Analysis of Options:** * **A. Doderlein’s bacillus (Correct):** As the dominant commensal, it produces lactic acid and hydrogen peroxide ($H_2O_2$), creating an environment hostile to most pathogens. * **B & C. Staphylococcus and Streptococcus:** While these may exist in small quantities as transient flora, they are not primary defense organisms. If they overgrow, they can become pathogenic, leading to conditions like aerobic vaginitis or Toxic Shock Syndrome (in the case of *S. aureus*). * **D. Treponema pallidum:** This is the causative agent of **Syphilis**. It is a pathogen, not a commensal, and its presence indicates a sexually transmitted infection. **High-Yield Clinical Pearls for NEET-PG:** 1. **Estrogen Dependency:** Doderlein’s bacilli are absent before puberty and after menopause due to low estrogen levels (and thus low glycogen), making the vaginal pH more alkaline (neutral) in these age groups. 2. **Vaginal pH:** A pH >4.5 in a reproductive-age woman is a diagnostic criterion (Amsel’s criteria) for **Bacterial Vaginosis**, signifying a loss of Lactobacilli. 3. **Protective Factors:** Besides lactic acid, Lactobacilli produce **biosurfactants** and **bacteriocins** that prevent the adhesion of harmful microbes.

Q: In which type of abortion does the gestational age correspond to the uterine size?

Threatened. In clinical practice, comparing uterine size to the period of amenorrhea (POA) is a high-yield diagnostic tool for differentiating types of abortion. **Explanation of the Correct Answer:** In **Threatened Abortion**, the pregnancy is still viable and the products of conception (POC) are entirely intact within the uterus. The cervical os remains closed. Because the gestational sac and fetus continue to develop normally despite the vaginal bleeding, the **uterine size corresponds to the gestational age.** **Analysis of Incorrect Options:** * **Inevitable Abortion:** While the POC are still inside, the cervical os is dilated and heavy bleeding/rupture of membranes often occurs. While the size may initially correspond, it is often slightly **less than or equal to** gestational age due to the impending expulsion and loss of liquor. * **Complete Abortion:** All products of conception have been expelled. Consequently, the uterus is empty and contracted, making the **uterine size significantly smaller** than the gestational age. * **Missed Abortion:** The fetus has died in utero but is retained. Over time, the amniotic fluid is absorbed and the POC macerate, leading to a **uterine size that is less than** the period of amenorrhea. **High-Yield Clinical Pearls for NEET-PG:** * **Uterine Size > POA:** Think of Molar Pregnancy, Multiple Gestation, or Polyhydramnios. * **Uterine Size < POA:** Think of Missed Abortion, Complete Abortion, or IUGR. * **Internal Os Status:** It is **Closed** in Threatened and Missed abortions; it is **Open** in Inevitable and Incomplete abortions. * **Management:** Threatened abortion is managed conservatively (bed rest and progesterone), whereas Inevitable/Missed abortions require medical or surgical evacuation.

Question 1

Endometriosis is commonly associated with which of the following?

Accepted Answer

Bilateral chocolate cysts of the ovary

Answer

Adenomyosis

Answer

Fibroid

Answer

Luteal cyst

Question 2

A 25-year-old nulliparous woman presents with third-degree uterine descent but no cystocele, rectocele, or enterocele. What is the best treatment option for her condition?

Accepted Answer

Abdominal sling operation

Answer

Fothergill's repair

Answer

Amputation of the cervix and reconstruction

Answer

Lefo's operation

Question 3

Which of the following statements regarding leukemia in pregnancy is false?

Accepted Answer

Termination of pregnancy will improve prognosis.

Answer

Leukemias may arise from bone marrow.

Answer

Remission is common during pregnancy.

Answer

Leukemias are more common in women above 40 years.

Question 4

Which of the following is a feature of a simple vesicovaginal fistula?

Accepted Answer

Supratrigonal location

Answer

Short vaginal length

Answer

Associated pelvic malignancy

Answer

Cause related to pelvic radiation

Question 5

All of the following are causes of primary amenorrhea with eugonadism, EXCEPT:

Accepted Answer

GnRH deficiency

Answer

PCOS

Answer

Mullerian agenesis

Answer

Congenital adrenal hyperplasia

Question 6

Which of the following is LEAST likely to cause post-menopausal bleeding in a woman with uterine prolapse?

Accepted Answer

Bleeding disorder

Answer

Vaginal atrophy

Answer

Cervical cancer

Answer

Decubitus ulcer on the prolapse

Question 7

Mifepristone causes which of the following effects on uterine fibroids?

Accepted Answer

Atrophy of the fibroid

Answer

Hyperplasia of the fibroid

Answer

No effect on the fibroid

Answer

Effect varies with the age of the patient

Question 8

What is the most common site of obstetric injury leading to uretero-vaginal fistula?

Accepted Answer

Below the cardinal ligament where the uterine artery crosses

Answer

Infundibulopelvic ligament

Answer

Vaginal vault

Answer

Ureteric tunnel

Question 9

Which organism contributes to the vaginal defense mechanism?

Accepted Answer

Doderlein's bacillus

Answer

Staphylococcus

Answer

Streptococcus

Answer

Treponema pallidum

Question 10

In which type of abortion does the gestational age correspond to the uterine size?

Accepted Answer

Threatened

Answer

Inevitable

Answer

Complete

Answer

Missed

Gynecological Disorders — MCQs

Gynecological Disorders — MCQs

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