Gynecological Disorders Practice Questions

Q: What is the most common congenital abnormality of the uterus?

Septate uterus. **Explanation:** The correct answer is **Septate uterus**. Congenital uterine anomalies (Müllerian duct anomalies) result from the failure of development, fusion, or resorption of the Müllerian ducts during embryogenesis. **Why Septate Uterus is Correct:** The **septate uterus** is the most common structural uterine anomaly, accounting for approximately 35–55% of all cases. It occurs due to the failure of **resorption of the midline uterovaginal septum** after the Müllerian ducts have fused. Clinically, it is highly significant because it is associated with the highest rate of reproductive failure (miscarriages and preterm labor) among all anomalies. **Analysis of Incorrect Options:** * **Arcuate uterus (Option B):** While some older classifications considered this the most common "variant," modern ASRM/ESHRE guidelines often categorize it as a normal anatomical variant rather than a true malformation. In many clinical datasets, it is the second most frequent finding. * **Uterus didelphys (Option A):** This results from a complete failure of fusion of the Müllerian ducts, leading to two separate uteri and cervices. It is relatively rare. * **Unicornuate uterus (Option C):** This results from the agenesis or hypoplasia of one Müllerian duct. It is one of the least common anomalies (approx. 5–10%). **NEET-PG High-Yield Pearls:** * **Most common anomaly:** Septate uterus. * **Anomaly with worst reproductive outcome:** Septate uterus (due to poor vascularization of the septum). * **Best initial investigation:** 2D Ultrasound; however, **3D Ultrasound** is now the gold standard for non-invasive diagnosis. * **Gold Standard for differentiation:** Combined **Laparoscopy and Hysteroscopy** (to differentiate Septate from Bicornuate by observing the external fundal contour). * **Treatment of choice for Septate uterus:** Hysteroscopic septal resection.

Q: The pessary shown in the figure is used for which of the following conditions?

Retroversion of uterus. ***Retroversion of uterus*** - The **Hodge pessary** shown in the figure is specifically designed to support and correct the **backward tilting (retroversion)** of the uterus. - It provides **mechanical support** to maintain the uterus in an **anteverted position** and relieves symptoms like backache and pelvic pressure. *Uterine prolapse* - Requires different pessary types like **ring pessary**, **shelf pessary**, or **Gellhorn pessary** for adequate support. - The Hodge pessary lacks the **structural design** needed to support a prolapsed uterus effectively. *Stress urinary incontinence* - Managed with **incontinence pessaries** or **incontinence rings** that support the **urethrovesical angle**. - The Hodge pessary does not provide the specific **urethral support** needed for stress incontinence management. *Inversion of uterus* - This is an **acute obstetric emergency** requiring immediate **manual reduction** and surgical intervention. - Pessaries are **contraindicated** in uterine inversion as they cannot address this life-threatening condition.

Q: A 25-year-old married woman with regular menstruation presents with fever, lower abdominal pain, and dysmenorrhea. On examination, there are bilateral soft tender masses of 3 cm diameter in both fornices, and the uterus is of normal size. What is the most likely diagnosis?

Tubo-ovarian masses. ### Explanation **Correct Option: B. Tubo-ovarian masses** The clinical triad of **fever, lower abdominal pain, and bilateral tender adnexal masses** in a young woman is a classic presentation of Pelvic Inflammatory Disease (PID) progressing to **Tubo-ovarian masses**. * **Medical Concept:** PID often results from ascending infection, leading to salpingo-oophoritis. When the inflammatory exudate causes the tube and ovary to adhere together, it forms a tender, inflammatory mass. The presence of fever and acute pain indicates an active infectious process. Bilateral involvement is highly characteristic of pyogenic PID. **Why the other options are incorrect:** * **A. Cystic ovaries:** Simple ovarian cysts are usually asymptomatic or cause dull aching pain. They do not present with fever or acute inflammatory signs unless there is a complication like torsion or rupture. * **C. Ectopic pregnancy:** While it presents with abdominal pain and an adnexal mass, it is typically associated with **amenorrhea** (missed period) and a positive pregnancy test. Fever is not a primary feature unless the ectopic is long-standing and infected. * **D. Tuberculous salpingitis:** While this causes bilateral masses, it is usually a **chronic** condition. It typically presents with infertility and menstrual irregularities (like menorrhagia or amenorrhea) rather than acute fever and regular menstruation. The masses in TB are often "doughy" or fixed rather than soft and acutely tender. **NEET-PG High-Yield Pearls:** * **Gold Standard Investigation for PID:** Laparoscopy (shows tubal edema and exudates). * **Most Common Organism:** *Chlamydia trachomatis* (most common overall) and *Neisseria gonorrhoeae*. * **Chandler’s Sign:** Exquisite cervical motion tenderness, a hallmark of PID. * **Fitz-Hugh-Curtis Syndrome:** Peri-hepatitis (violin-string adhesions) associated with PID.

Q: What is the critical mitogen for uterine fibroid growth?

Progesterone. **Explanation:** The understanding of uterine fibroid (leiomyoma) pathophysiology has shifted significantly in recent years. While estrogen was traditionally viewed as the primary driver, current evidence identifies **Progesterone** as the critical mitogen for fibroid growth. **Why Progesterone is Correct:** Progesterone acts via its receptors (PR-A and PR-B) to stimulate the expression of growth factors and inhibit apoptosis. It increases the mitotic rate of fibroid cells, particularly during the luteal phase of the menstrual cycle. Clinical proof of this is seen in the effectiveness of Selective Progesterone Receptor Modulators (SPRMs) like Ulipristal acetate in shrinking fibroids. **Analysis of Incorrect Options:** * **A. Estrogen:** Estrogen is essential for "priming" the tissue by upregulating progesterone receptors. However, it is considered a permissive factor rather than the direct mitogen. Fibroids rarely grow in the absence of progesterone, even if estrogen is present. * **C. IGF-I & II:** Insulin-like Growth Factors are downstream mediators. While they play a role in cell proliferation, they are regulated by the primary action of ovarian steroids (Progesterone/Estrogen). * **D. Corticosterone:** This is a glucocorticoid involved in stress responses and metabolism; it has no established role in the mitogenesis of uterine smooth muscle tumors. **NEET-PG High-Yield Pearls:** * **Dual Control:** Estrogen prepares the soil (upregulates receptors), but Progesterone grows the plant (mitosis). * **Medical Management:** GnRH agonists (e.g., Leuprolide) induce a hypoestrogenic state, while SPRMs (e.g., Ulipristal) directly block the critical mitogenic signal of progesterone. * **Epidemiology:** Fibroids are the most common benign tumor of the female reproductive tract and typically regress after menopause due to the withdrawal of both estrogen and progesterone.

Q: The transformation zone moves out under the influence of all except:

Age. The **Transformation Zone (TZ)** is the area between the original squamocolumnar junction (SCJ) and the new SCJ. Its movement is primarily driven by **estrogen levels** and **vaginal pH**. ### Why "Age" is the Correct Answer As a woman ages, particularly during **menopause**, estrogen levels decline significantly. This causes the squamocolumnar junction to **recede upwards (inward)** into the endocervical canal. Therefore, age (specifically advancing age/menopause) causes the TZ to move **in**, not out. ### Explanation of Incorrect Options (Factors that move the TZ OUT) The process where the TZ moves outward onto the ectocervix is known as **Ectropion (Cervical Erosion)**. This occurs under high-estrogen states: * **Puberty:** The surge in estrogen causes the endocervical columnar epithelium to proliferate and "evert" onto the ectocervix. * **Pregnancy:** High levels of circulating estrogen and increased vascularity lead to significant eversion of the columnar epithelium. * **Oral Contraceptive Pills (OCPs):** These provide an exogenous source of estrogen/progestogen, mimicking a high-hormone state that promotes ectropion. ### High-Yield Clinical Pearls for NEET-PG * **Metaplasia:** The TZ is the site where columnar epithelium undergoes **squamous metaplasia** due to the acidic environment of the vagina. * **Cervical Cancer:** The Transformation Zone is the most common site for the development of **Cervical Intraepithelial Neoplasia (CIN)** and squamous cell carcinoma. * **Colposcopy:** A colposcopic examination is considered "satisfactory" only if the entire transformation zone is visible. In postmenopausal women, it is often "unsatisfactory" because the TZ has moved into the canal.

Q: What is the most common cause of hematocolpos?

Imperforate hymen. **Explanation:** **Hematocolpos** refers to the accumulation of menstrual blood within the vagina, typically occurring after menarche due to an anatomical obstruction in the female genital tract. **Why Imperforate Hymen is Correct:** The **imperforate hymen** is the most common obstructive anomaly of the female genital tract. It results from the failure of the central part of the hymen to canalize during fetal development. At puberty, menstrual blood cannot escape, leading to vaginal distension (hematocolpos). If left untreated, the backup of blood can extend to the uterus (hematometra) and fallopian tubes (hematosalpinx). **Analysis of Incorrect Options:** * **Cervical atresia:** This is a rare congenital anomaly where the cervix fails to develop. While it causes hematometra (blood in the uterus), it does not typically cause hematocolpos because the vagina remains empty. * **Vaginal atresia:** This involves the failure of the lower portion of the vagina to develop. While it can cause hematocolpos in the upper vaginal segment, it is significantly less common than an imperforate hymen. * **Transverse vaginal septum:** This occurs due to a failure of fusion or canalization between the urogenital sinus and Müllerian ducts. While it is a recognized cause of outflow obstruction, its incidence is lower than that of an imperforate hymen. **Clinical Pearls for NEET-PG:** * **Classic Presentation:** A pubertal girl presenting with **primary amenorrhea** and **cyclic pelvic pain**. * **Physical Exam:** A bulging, **bluish membrane** at the introitus (due to the underlying dark blood). * **Rectal Exam:** A palpable, tense cystic mass in the vagina. * **Treatment:** Cruciate incision or hymenotomy to drain the accumulated blood.

Q: Repeated curettage is most likely to lead to which of the following conditions?

Asherman's syndrome. ### Explanation **Correct Answer: D. Asherman's syndrome** **Why it is correct:** Asherman’s syndrome refers to the formation of intrauterine adhesions (synechiae). The endometrium consists of two layers: the *stratum functionalis* (which sheds during menses) and the *stratum basalis* (the regenerative layer). **Repeated or over-vigorous curettage** (especially post-abortion or postpartum) causes trauma to the **stratum basalis**. When this regenerative layer is destroyed, the opposing raw surfaces of the uterine walls heal by forming fibrous bridges. This leads to partial or complete obliteration of the uterine cavity, manifesting as secondary amenorrhea, hypomenorrhea, or infertility. **Why the other options are incorrect:** * **A. Fibroids:** These are benign monoclonal tumors of the uterine smooth muscle (myometrium). Their etiology is linked to genetics and estrogen/progesterone levels, not mechanical trauma from curettage. * **B. Sheehan's syndrome:** This is postpartum pituitary necrosis caused by severe obstetric hemorrhage and hypotension. It is a vascular/endocrine complication, not a result of local uterine trauma. * **C. Endometrial cancer:** This is primarily associated with prolonged unopposed estrogen exposure, obesity, and nulliparity. Curettage is actually a diagnostic tool for this condition, not a causative factor. **NEET-PG High-Yield Pearls:** * **Gold Standard Investigation:** Hysteroscopy (allows for both diagnosis and grading of adhesions). * **Hysterosalpingography (HSG) finding:** Characterized by "filling defects" within the uterine cavity. * **Most common cause:** Post-traumatic (D&C for missed abortion or secondary PPH). In developing countries, **Genital Tuberculosis** is another significant cause of intrauterine adhesions. * **Treatment:** Hysteroscopic adhesiolysis followed by the placement of an IUCD or Foley’s catheter and estrogen therapy to promote endometrial regrowth.

Q: Characteristic features of Rokitanski-Kuster Hauser syndrome are all of the following except?

Anovulation. **Explanation:** **Mayer-Rokitansky-Küster-Hauser (MRKH) Syndrome** is a congenital anomaly characterized by the failure of the Müllerian ducts to develop. **Why "Anovulation" is the correct answer (the exception):** In MRKH syndrome, the defect is purely anatomical (Müllerian agenesis). The **ovaries** develop from the primitive germ cells and are not derived from the Müllerian ducts. Therefore, ovarian function remains completely intact. Patients have normal follicular development, regular ovulation, and normal female levels of estrogen and progesterone. Hence, "Anovulation" is incorrect as these patients ovulate normally. **Analysis of incorrect options:** * **Absent uterus & Absent vagina:** Since the Müllerian ducts normally form the fallopian tubes, uterus, cervix, and the upper two-thirds of the vagina, their agenesis leads to an absent or rudimentary uterus and a blind-ending or absent vaginal pouch. * **46-XX karyotype:** These patients are genetically female with a normal 46-XX constitution. They exhibit normal secondary sexual characteristics (breast development and pubic hair) because their ovaries function normally. **High-Yield Clinical Pearls for NEET-PG:** * **Presentation:** Most common cause of primary amenorrhea after Turner Syndrome. Typically presents as primary amenorrhea in a young girl with normal secondary sexual characteristics. * **Associated Anomalies:** 30–40% have **Renal anomalies** (e.g., renal agenesis, ectopic kidney) and 10–15% have **Skeletal anomalies** (e.g., Klippel-Feil syndrome). * **Diagnosis:** Gold standard is MRI to visualize pelvic structures; Ultrasound is the initial screening tool. * **Treatment:** Non-surgical (Frank’s dilators) or surgical (McIndoe vaginoplasty) creation of a neovagina. Reproductive options include surrogacy (as they have functional ovaries).

Question 1

What is the most common congenital abnormality of the uterus?

Accepted Answer

Septate uterus

Answer

Uterus didelphys

Answer

Arcuate uterus

Answer

Unicornuate uterus

Question 2

The pessary shown in the figure is used for which of the following conditions?

Accepted Answer

Retroversion of uterus

Answer

Uterine prolapse

Answer

Stress urinary incontinence

Answer

Inversion of uterus

Question 3

Which of the following is true about the pathophysiology of uterine fibroids?

Accepted Answer

They possess distinct autonomy from their surrounding myometrium.

Answer

Uterine fibroids are derived from multiple progenitor myocytes.

Answer

Mitotic activity in these muscles is very common.

Answer

Leiomyomas have high arterial density compared with the surrounding myometrium.

Question 4

A 25-year-old married woman with regular menstruation presents with fever, lower abdominal pain, and dysmenorrhea. On examination, there are bilateral soft tender masses of 3 cm diameter in both fornices, and the uterus is of normal size. What is the most likely diagnosis?

Accepted Answer

Tubo-ovarian masses

Answer

Cystic ovaries

Answer

Ectopic pregnancy

Answer

Tuberculous salpingitis

Question 5

What is the critical mitogen for uterine fibroid growth?

Accepted Answer

Progesterone

Answer

Estrogen

Answer

IGF-I & II

Answer

Corticosterone

Question 6

The transformation zone moves out under the influence of all except:

Accepted Answer

Age

Answer

Pregnancy

Answer

Oral contraceptive pills (OCPs)

Answer

Puberty

Question 7

What is the most common cause of hematocolpos?

Accepted Answer

Imperforate hymen

Answer

Cervical atresia

Answer

Vaginal atresia

Answer

Transverse vaginal septum

Question 8

During laparoscopy, what is the preferred site for obtaining cultures in a patient with acute pelvic inflammatory disease (PID)?

Accepted Answer

Fallopian tubes

Answer

Endocervix

Answer

Endometrium

Answer

Pouch of Douglas

Question 9

Repeated curettage is most likely to lead to which of the following conditions?

Accepted Answer

Asherman's syndrome

Answer

Fibroids

Answer

Sheehan's syndrome

Answer

Endometrial cancer

Question 10

Characteristic features of Rokitanski-Kuster Hauser syndrome are all of the following except?

Accepted Answer

Anovulation

Answer

Absent uterus

Answer

Absent vagina

Answer

46-XX karyotype

Gynecological Disorders — MCQs

Gynecological Disorders — MCQs

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