Gynecological Disorders Practice Questions

Q: Misoprostol is indicated in all of the following conditions except:

Menorrhagia. **Explanation:** Misoprostol is a synthetic **Prostaglandin E1 (PGE1) analogue**. Its primary mechanism of action involves stimulating uterine contractions (oxytocic effect) and causing cervical ripening. **Why Menorrhagia is the correct answer:** Menorrhagia (heavy menstrual bleeding) is primarily managed by reducing menstrual blood flow through antifibrinolytics (Tranexamic acid), NSAIDs, or hormonal therapy (OCPs, Progestogens, or the Levonorgestrel-releasing intrauterine system). Misoprostol causes uterine contractions but does not effectively reduce the volume of menstrual blood loss; therefore, it has **no clinical indication** in the management of menorrhagia. **Analysis of other options:** * **Postpartum Hemorrhage (PPH):** Misoprostol (600–800 mcg) is used for both prevention and treatment of PPH due to uterine atony, as it promotes sustained uterine contractions. * **Missed Abortion:** It is used to facilitate the expulsion of products of conception by softening the cervix and inducing contractions. * **Induction of Labor:** Low-dose Misoprostol (25 mcg) is a standard agent for cervical ripening and labor induction in patients with an unfavorable Bishop score. **High-Yield Clinical Pearls for NEET-PG:** * **Route of Administration:** Misoprostol can be given orally, sublingually, vaginally, or rectally. Sublingual has the fastest onset, while vaginal has the longest duration of action. * **Side Effects:** The most common side effects are **shivering and pyrexia** (fever). * **Contraindication:** It should be avoided for induction of labor in women with a previous cesarean section due to the increased risk of **uterine rupture**. * **Other Uses:** It is also used for medical termination of pregnancy (MTP) in combination with Mifepristone and for the prevention of NSAID-induced gastric ulcers.

Q: What is the most likely cause of heavy menstrual bleeding in patients with uterine fibroids?

Dilated endometrial venules. **Explanation:** The primary mechanism for heavy menstrual bleeding (HMB) in patients with uterine fibroids (leiomyomas) is the **distortion and congestion of the overlying endometrial vasculature**. **1. Why "Dilated endometrial venules" is correct:** Fibroids increase the total surface area of the endometrium and exert pressure on the surrounding myometrial veins. This compression leads to venous stasis and the formation of **dilated, thin-walled endometrial venules** (ectasia) directly over the fibroid. During menstruation, as the functional layer of the endometrium sheds, these fragile, engorged vessels rupture, leading to significant blood loss that exceeds the normal hemostatic capacity of the uterus. Additionally, fibroids interfere with normal myometrial contractility, preventing the "physiologic ligatures" from effectively constricting vessels. **2. Why other options are incorrect:** * **Hormonal imbalance:** While fibroids are estrogen-dependent, HMB in these patients is primarily a structural and vascular issue rather than a primary hormonal dysfunction (like AUB-O). * **Ruptured fibroids:** This is an extremely rare clinical event, usually associated with pregnancy or trauma, and presents as an acute abdomen/hemoperitoneum, not cyclic HMB. * **Torsion of fibroids:** This occurs only in pedunculated subserosal fibroids. It causes acute pelvic pain and necrosis, not heavy menstrual bleeding. **High-Yield Clinical Pearls for NEET-PG:** * **Submucosal fibroids** (FIGO Type 0, 1, 2) are the most common type to cause HMB due to direct endometrial distortion. * **Most common symptom** of fibroids: Heavy Menstrual Bleeding (Menorrhagia). * **Most common site:** Intramural. * **Gold Standard Investigation:** Transvaginal Ultrasound (TVS); Saline Infusion Sonohysterography (SIS) is superior for evaluating submucosal types.

Q: The normal bacterial flora in the vagina makes its environment:

Acidic. **Explanation:** The vaginal environment in a healthy, reproductive-age woman is naturally **acidic**, typically maintaining a pH between **3.8 and 4.5**. This acidity is primarily maintained by **Döderlein’s bacilli** (Lactobacillus species). These bacteria utilize glycogen—stored in the vaginal squamous epithelium under the influence of estrogen—and convert it into **lactic acid**. This acidic environment serves as a critical innate immune mechanism, inhibiting the overgrowth of pathogenic bacteria and fungi. **Analysis of Options:** * **Option A (Correct):** Acidic. The production of lactic acid by Lactobacilli ensures a low pH, which is the physiological norm during reproductive years. * **Option B (Incorrect):** Alkaline. An alkaline pH (>4.5) is pathological in reproductive-age women and is often seen in conditions like Bacterial Vaginosis (BV) or Trichomoniasis. * **Option C (Incorrect):** Neutral. A neutral pH (around 7.0) is typically found in prepubertal girls and postmenopausal women due to low estrogen levels and a lack of glycogen/Lactobacilli. * **Option D (Incorrect):** The flora is the primary determinant of the vaginal pH; therefore, it significantly affects the environment. **High-Yield Clinical Pearls for NEET-PG:** * **Estrogen Connection:** High estrogen (reproductive age) = High glycogen = More Lactobacilli = **Acidic pH**. * **Life Cycle Changes:** The vaginal pH is alkaline/neutral at birth (due to maternal estrogens), becomes neutral during childhood, stays acidic during reproductive years, and returns to neutral/alkaline after menopause. * **Amniotic Fluid:** In cases of Premature Rupture of Membranes (PROM), the vaginal pH shifts from acidic to **alkaline** (pH 7.0–7.5), which is the basis for the Nitrazine paper test.

Q: Which drug is known to reduce the size of uterine fibroids?

Danazol. **Explanation:** Uterine fibroids (leiomyomas) are estrogen-dependent tumors. Therefore, medical management focuses on creating a hypoestrogenic environment to induce tumor shrinkage. **Why Danazol is correct:** Danazol is a synthetic androgen and a derivative of ethisterone. It acts by inhibiting the pituitary-ovarian axis (suppressing GnRH and gonadotropins) and directly inhibiting steroidogenic enzymes in the ovary. This results in a **high-androgen, low-estrogen state**, which leads to the atrophy of the endometrium and a significant reduction in the size of uterine fibroids. It is often used preoperatively to reduce tumor volume and blood loss. **Analysis of Incorrect Options:** * **Progesterone:** While some progestins are used to control bleeding (menorrhagia) associated with fibroids, they do not consistently reduce the size of the fibroid. In fact, progesterone can sometimes promote fibroid growth as it stimulates mitotic activity in the myometrium. * **Mifepristone (RU-486):** Although research shows that Selective Progesterone Receptor Modulators (SPRMs) like Mifepristone can reduce fibroid size, **Danazol** remains the classic textbook answer for this specific pharmacological mechanism in standard NEET-PG curricula. * **Estrogen:** Estrogen is the primary fuel for fibroid growth. Administering estrogen would likely increase the size of the fibroids and worsen symptoms. **NEET-PG High-Yield Pearls:** * **GnRH Agonists (e.g., Leuprolide):** These are the **most effective** drugs for reducing fibroid size (up to 50% reduction) by creating a temporary "pseudomenopause." * **Ulipristal Acetate:** A newer SPRM used specifically for preoperative shrinkage of fibroids. * **Definitive Treatment:** Hysterectomy remains the definitive treatment, while Myomectomy is the treatment of choice for women wishing to preserve fertility.

Q: How many episodes of vulval candidiasis per year are needed for the diagnosis of recurrent vulvovaginal candidiasis?

4. **Explanation:** **Recurrent Vulvovaginal Candidiasis (RVVC)** is a specific clinical entity defined by the frequency of symptomatic episodes. According to the CDC and standard microbiological guidelines, the diagnosis requires **four or more episodes** of symptomatic vulvovaginal candidiasis within a **12-month period**. * **Why Option D is Correct:** The threshold of **4 episodes per year** is the globally accepted diagnostic criterion. RVVC affects approximately 5–8% of women of reproductive age and often involves *Candida albicans*, though non-albicans species (like *C. glabrata*) are more common in recurrent cases than in sporadic ones. * **Why Options A, B, and C are Incorrect:** * **1 episode:** This is considered "sporadic" or "uncomplicated" candidiasis. * **2 or 3 episodes:** While frequent, these do not meet the formal clinical definition of "recurrent" disease, which necessitates a more intensive treatment regimen (induction followed by long-term maintenance therapy). **High-Yield Clinical Pearls for NEET-PG:** * **Risk Factors:** Uncontrolled diabetes mellitus, pregnancy, and immunosuppression. However, most women with RVVC have no identifiable predisposing factors. * **Microscopy:** Look for **pseudohyphae and budding yeast** on KOH mount (except for *C. glabrata*, which only shows spores/blastoconidia). * **Treatment of RVVC:** Requires an induction phase (e.g., Fluconazole 150 mg every 72 hours for 3 doses) followed by a **maintenance phase** (Fluconazole 150 mg weekly for 6 months). * **Vaginal pH:** In candidiasis, the vaginal pH is typically **normal ( 4.5.

Q: A six-year-old girl presents with spotting and no secondary sexual characteristics. What is the most likely cause?

Foreign body. **Explanation:** The presentation of vaginal bleeding in a prepubertal girl **without secondary sexual characteristics** (no breast development or pubic hair) is a classic clinical scenario for a **vaginal foreign body**. 1. **Why Foreign Body is correct:** In the pediatric age group, small objects (like toilet paper, beads, or toys) are the most common cause of persistent vaginal spotting or foul-smelling discharge. These objects cause local irritation, pressure necrosis, and secondary infection, leading to spotting. Since there are no signs of puberty, the bleeding is local/mechanical rather than hormonal. 2. **Why other options are incorrect:** * **Menarche:** This is the first menstrual period. It occurs late in the pubertal sequence (usually Tanner Stage 4) and must be preceded by secondary sexual characteristics like thelarche (breast development). * **Gonococcal infection:** While it can cause discharge, it is less common than non-specific vulvovaginitis or foreign bodies in children. Its presence in a child should always raise a high suspicion of sexual abuse. * **Hemorrhagic disease:** Systemic bleeding disorders (like VWD or leukemia) would typically present with bleeding from other sites (epistaxis, bruising) rather than isolated vaginal spotting. **Clinical Pearls for NEET-PG:** * **Most common cause** of prepubertal vaginal bleeding: **Foreign body** (if foul-smelling) or **Vulvovaginitis** (most common overall). * **Precocious Puberty:** Defined as secondary sexual characteristics before age 8. If bleeding occurs *without* these signs, it is "Prepubertal Vaginal Bleeding," not menstruation. * **Diagnosis:** In children, a foreign body is best visualized via **vaginoscopy** (using a small endoscope or cystoscope) or sometimes palpated via rectal examination. * **Sarcoma Botryoides:** A high-yield differential for "grape-like masses" and bleeding in a young girl.

Q: Pain in endometriosis correlates with:

Depth of invasion. **Explanation:** In endometriosis, the severity of pain is primarily determined by the **depth of invasion** of the implants into the underlying tissues (peritoneum or organs), rather than the surface area or the number of lesions. Deeply infiltrating endometriosis (DIE), defined as lesions penetrating >5 mm, involves dense innervation and often affects the uterosacral ligaments or the rectovaginal septum, leading to severe dysmenorrhea and chronic pelvic pain. **Analysis of Options:** * **A. Depth of invasion (Correct):** Studies consistently show that the deeper the lesion penetrates, the higher the correlation with pain symptoms due to the involvement of subperitoneal nerves. * **B. Multiple sites:** Having implants in many locations does not necessarily mean the patient will experience more pain; a single deep lesion can be more painful than multiple superficial ones. * **C. CA 125 levels:** While CA 125 is often elevated in endometriosis (especially in endometriomas), it is a marker of disease activity and surface area, not a reliable indicator of pain intensity. * **D. Stage of disease:** This is a common pitfall. The ASRM staging system is based on the extent of adhesions and the size of implants to predict **fertility outcomes**, not pain. A patient with Stage I (minimal) disease may have debilitating pain, while a patient with Stage IV (severe) disease may be asymptomatic. **High-Yield Clinical Pearls for NEET-PG:** * **Gold Standard Diagnosis:** Laparoscopy with biopsy (visual confirmation). * **Most Common Site:** Ovary. * **Staging vs. Symptoms:** There is a **poor correlation** between the ASRM stage and the severity of pain or the risk of infertility. * **Classic Triad:** Dysmenorrhea (congestive), Dyspareunia, and Infertility.

Question 1

Misoprostol is indicated in all of the following conditions except:

Accepted Answer

Menorrhagia

Answer

Postpartum hemorrhage

Answer

Missed abortion

Answer

Induction of labor

Question 2

What is the most likely cause of heavy menstrual bleeding in patients with uterine fibroids?

Accepted Answer

Dilated endometrial venules

Answer

Hormonal imbalance

Answer

Ruptured fibroids

Answer

Torsion of fibroids

Question 3

Which of the following malignancies is not found to have an increased risk in women with endometriosis?

Accepted Answer

Endometrial cancer

Answer

Ovarian cancers

Answer

Melanoma

Answer

Non-Hodgkin's lymphoma

Question 4

A 16-year-old female presents with primary amenorrhea. Examination shows a short, blind vagina with an absent uterus. What is the next investigation of choice?

Accepted Answer

Karyotyping

Answer

Intravenous pyelogram (IVP)

Answer

Gonadotropin levels

Answer

Serum prolactin

Question 5

The normal bacterial flora in the vagina makes its environment:

Accepted Answer

Acidic

Answer

Alkaline

Answer

Neutral

Answer

Does not affect the environment

Question 6

Which drug is known to reduce the size of uterine fibroids?

Accepted Answer

Danazol

Answer

Progesterone

Answer

Mifepristone (RU-486)

Answer

Estrogen

Question 7

How many episodes of vulval candidiasis per year are needed for the diagnosis of recurrent vulvovaginal candidiasis?

Accepted Answer

4

Answer

1

Answer

2

Answer

3

Question 8

A six-year-old girl presents with spotting and no secondary sexual characteristics. What is the most likely cause?

Accepted Answer

Foreign body

Answer

Menarche

Answer

Gonococcal infection

Answer

Hemorrhagic disease

Question 9

Pain in endometriosis correlates with:

Accepted Answer

Depth of invasion

Answer

Multiple sites

Answer

CA 125 levels

Answer

Stage of disease

Question 10

A 28-year-old female with a history of 6 weeks of amenorrhea presents with abdominal pain. Ultrasound shows fluid in the pouch of Douglas. Aspiration yields dark-colored blood that fails to clot. What is the most probable diagnosis?

Accepted Answer

Ruptured ectopic pregnancy

Answer

Ruptured ovarian cyst

Answer

Red degeneration of fibroid

Answer

Pelvic abscess

Gynecological Disorders — MCQs

Gynecological Disorders — MCQs

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