Menstrual Disorders Practice Questions

Q: A 19-year-old female develops bleeding from the nose during menstruation. What is she most likely suffering from?

Vicarious menstruation. ### Explanation **Correct Answer: A. Vicarious Menstruation** **1. Why it is correct:** Vicarious menstruation is defined as cyclical bleeding from an extragenital site during the time of normal menstruation. The most common site is the **nasal mucosa** (epistaxis), though it can also occur from the skin, lungs (hemoptysis), or eyes (bloody tears). This phenomenon is thought to be caused by the increased capillary permeability and fragility of extragenital tissues in response to the high levels of circulating estrogens during the premenstrual phase. **2. Why other options are incorrect:** * **B. Henoch-Schönlein Purpura (HSP):** This is an IgA-mediated small-vessel vasculitis. While it presents with a purpuric rash, joint pain, and abdominal pain, the bleeding is not cyclical or synchronized with the menstrual cycle. * **C. Persistent Urachus:** This is a congenital anomaly where the connection between the bladder and the umbilicus remains patent. It typically presents with urinary drainage from the umbilicus, not cyclical nasal bleeding. * **D. Bleeding Diathesis:** Conditions like Von Willebrand Disease or hemophilia cause generalized bleeding tendencies (bruising, prolonged bleeding from cuts). While they can cause heavy menstrual bleeding (menorrhagia), the bleeding is not restricted to a specific extragenital site only during menstruation. **3. NEET-PG High-Yield Pearls:** * **Most common site:** Nasal mucosa (Epistaxis). * **Pathophysiology:** Increased vascular permeability due to estrogen; occasionally associated with **endometriosis** at extragenital sites. * **Clinical Clue:** Always look for the keyword **"cyclical"** or **"during menstruation"** in the history of extragenital bleeding. * **Treatment:** Usually involves hormonal suppression (e.g., OCPs or GnRH analogs) to stabilize the hormonal fluctuations.

Q: A 35-year-old multigravida aborted 5 months back at 17 weeks of gestation. She has not had her periods yet, and her urine pregnancy test is negative. An estrogen-progesterone withdrawal test is also negative. What is the likely diagnosis?

Asherman syndrome. **Explanation:** The patient presents with **secondary amenorrhea** following a mid-trimester abortion. The key to this diagnosis lies in the **negative Estrogen-Progesterone (E+P) withdrawal test**. 1. **Why Asherman Syndrome is correct:** A negative E+P withdrawal test indicates that even with adequate hormonal stimulation, the endometrium fails to bleed. This signifies an **outflow tract obstruction** or **endometrial destruction**. In the clinical context of a recent pregnancy-related evacuation (abortion at 17 weeks), the most likely cause is intrauterine adhesions (synechiae) that have obliterated the uterine cavity, known as Asherman Syndrome. 2. **Why other options are incorrect:** * **Anovulation:** In anovulation, the endometrium is primed with estrogen but lacks progesterone. A progesterone challenge would be negative, but an **E+P challenge would be positive** (bleeding would occur). * **Pituitary Failure (Secondary Hypogonadism) & Ovarian Failure (Primary Hypogonadism):** In both conditions, the uterus and outflow tract are intact, but endogenous hormones are deficient. Therefore, providing exogenous Estrogen and Progesterone would result in a **positive withdrawal bleed**. **High-Yield Clinical Pearls for NEET-PG:** * **Step-wise approach to Amenorrhea:** 1. Rule out pregnancy (UPT) → 2. Progesterone Challenge → 3. E+P Challenge → 4. FSH/LH levels. * **Gold Standard Investigation** for Asherman Syndrome: **Hysteroscopy** (Diagnostic and Therapeutic). * **HSG Finding:** Characterized by "honeycomb appearance" or irregular filling defects. * **Most common cause:** Vigorous curettage of a pregnant or postpartum uterus (due to the softness of the basal layer of the endometrium).

Q: A positive progesterone challenge test in a patient with secondary amenorrhea indicates:

Polycystic ovarian disease. ### Explanation The **Progesterone Challenge Test (PCT)** is a diagnostic tool used to assess the functional status of the hypothalamic-pituitary-ovarian (HPO) axis and the patency of the outflow tract. **1. Why Polycystic Ovarian Disease (PCOD) is Correct:** A **positive PCT** (defined as withdrawal bleeding within 2–7 days of stopping progesterone) requires two essential conditions: * **Patent Outflow Tract:** The uterus, cervix, and vagina must be anatomically intact. * **Estrogen Priming:** The endometrium must have been previously exposed to sufficient endogenous estrogen to cause proliferation. In **PCOD**, patients have anovulation but high levels of endogenous estrogen (due to peripheral conversion of androgens). This estrogen thickens the endometrium; when exogenous progesterone is given and then withdrawn, the endometrium sheds, resulting in a positive test. **2. Why Other Options are Incorrect:** * **Asherman Syndrome & Endometrial Tuberculosis:** These conditions involve the destruction of the endometrial lining or the presence of intrauterine synechiae (adhesions). Even with adequate estrogen, there is no functional tissue to shed, leading to a **negative PCT**. * **Hypopituitarism:** This results in low FSH/LH levels, leading to **hypoestrogenism**. Without estrogen to prime the endometrium, progesterone cannot induce a withdrawal bleed, resulting in a **negative PCT**. **3. High-Yield Clinical Pearls for NEET-PG:** * **Next Step after Negative PCT:** Perform an **Estrogen + Progesterone Challenge Test**. If bleeding occurs, the outflow tract is intact, and the cause is likely Hypogonadotropic Hypogonadism (Pituitary/Hypothalamic failure). If no bleeding occurs, it confirms an **Outflow Tract Obstruction** (e.g., Asherman’s). * **Dose:** Medroxyprogesterone acetate (10 mg) for 5–10 days is the standard regimen. * **Key Concept:** Positive PCT = Anovulation + Adequate Estrogen + Intact Outflow Tract.

Q: Heavy menstrual bleeding is assessed by all of the following EXCEPT:

Blood loss more than 120 ml. **Explanation:** Heavy Menstrual Bleeding (HMB) is clinically defined as excessive menstrual blood loss which interferes with a woman's physical, social, emotional, and/or material quality of life. **1. Why Option D is the Correct Answer:** The classic objective definition of HMB (formerly menorrhagia) is a total blood loss of **more than 80 ml** per cycle. Option D states "more than 120 ml," which is an incorrect threshold for the standard definition. While 120 ml is indeed heavy, it is not the diagnostic cutoff used in medical literature or clinical guidelines. **2. Analysis of Incorrect Options (Criteria for HMB):** * **Option A:** Passing large clots (greater than 1 inch or 2.5 cm) is a reliable clinical indicator of heavy flow, as the natural anticoagulants in the uterus cannot keep up with the volume of bleeding. * **Option B:** A drop in hemoglobin (Anemia) is a common objective consequence of chronic HMB. If a patient presents with iron deficiency anemia and heavy periods, it confirms the clinical significance of the blood loss. * **Option C:** Prolonged menses lasting more than 7 days is one of the primary criteria used to define HMB/menorrhagia. **3. NEET-PG High-Yield Pearls:** * **Gold Standard Measurement:** The alkaline hematin method is the gold standard for objective measurement but is only used in research. * **PBAC Score:** The Pictorial Blood Loss Assessment Chart (PBAC) is used in clinics; a score **>100** indicates HMB. * **PALM-COEIN:** This is the FIGO classification for the etiology of Abnormal Uterine Bleeding (AUB). * **First-line Investigation:** Transvaginal Ultrasound (TVUS). * **Medical Management:** Levonorgestrel Intrauterine System (LNG-IUS) is the first-line treatment for HMB.

Q: Withdrawal bleeding with progesterone is seen in an otherwise amenorrheic woman due to which of the following?

Anovulation. **Explanation:** The **Progesterone Challenge Test (PCT)** is a fundamental diagnostic tool in amenorrhea. For withdrawal bleeding to occur after progesterone administration, two physiological prerequisites must be met: 1. **Endometrial Priming:** The endometrium must have been previously exposed to endogenous **estrogen**, causing it to proliferate. 2. **Patent Outflow Tract:** There must be a functional uterus, cervix, and vagina. In **Anovulation (Option B)**, the ovaries produce estrogen (leading to endometrial proliferation), but because ovulation does not occur, no corpus luteum is formed and no progesterone is produced. This results in a state of "unopposed estrogen." Administering exogenous progesterone and then stopping it mimics the natural decline of the corpus luteum, causing the primed endometrium to shed (withdrawal bleed). **Why other options are incorrect:** * **Hypogonadotropic Hypogonadism (Option A):** Low FSH/LH levels lead to minimal estrogen production. Without estrogen to prime the endometrium, progesterone cannot cause a withdrawal bleed. * **Ovarian Failure (Option C):** In Premature Ovarian Failure, the follicles are depleted. Estrogen levels are critically low, resulting in a negative PCT. * **Tuberculous Endometritis (Option D):** This causes destruction of the endometrial lining or synechiae (Asherman-like syndrome). Even with adequate hormones, there is no functional tissue to shed. **NEET-PG High-Yield Pearls:** * **Positive PCT:** Confirms anovulation (e.g., PCOS) and implies adequate endogenous estrogen. * **Negative PCT:** Indicates either **low estrogen** (Hypothalamic/Ovarian failure) or an **outflow tract obstruction** (Asherman’s/Mulleris agenesis). * The next step after a negative PCT is the **Estrogen-Progesterone Challenge Test** to differentiate between low estrogen and anatomical defects.

Q: What is a cause of secondary dysmenorrhea in a young female?

All of the above. **Explanation:** Dysmenorrhea is classified into primary (spasmodic, no underlying pathology) and **secondary (congestive, due to pelvic pathology)**. Secondary dysmenorrhea typically presents in women in their 20s or 30s and is characterized by pain that begins several days before menses and persists throughout the cycle. **Why "All of the Above" is correct:** * **Endometriosis (Option C):** This is the **most common cause** of secondary dysmenorrhea. Ectopic endometrial tissue undergoes cyclic bleeding, leading to inflammation, adhesions, and deep-seated pelvic pain. * **Tuberculosis (Option A):** In developing countries like India, Genital TB is a significant cause of chronic pelvic inflammatory disease (PID). Chronic inflammation and pelvic adhesions result in congestive dysmenorrhea. * **Subserous Fibroid (Option B):** While intramural fibroids are more commonly associated with pain, subserous fibroids can cause dysmenorrhea if they undergo torsion, degeneration, or exert pressure on surrounding pelvic nerves. **Clinical Pearls for NEET-PG:** 1. **Primary vs. Secondary:** Primary dysmenorrhea is caused by **PGF2α** excess and usually starts within 6–12 months of menarche (ovulatory cycles). Secondary dysmenorrhea appears years later. 2. **Gold Standard Investigation:** For most causes of secondary dysmenorrhea (like endometriosis or PID), **Laparoscopy** is the gold standard for diagnosis. 3. **Adenomyosis:** Another high-yield cause; suspect this in multiparous women with a "bulky, globular uterus" and severe dysmenorrhea. 4. **Treatment:** While NSAIDs are first-line for primary dysmenorrhea, secondary dysmenorrhea requires treating the **underlying pathology**.

Q: Cryptomenorrhea occurs due to:

Imperforate hymen. **Explanation:** **Cryptomenorrhea** (hidden menstruation) refers to a condition where menstrual blood is produced by the uterus but cannot escape the genital tract due to an anatomical obstruction in the outflow tract. **1. Why Option A is Correct:** The **imperforate hymen** is the most common cause of cryptomenorrhea. In this condition, the vaginal opening is completely occluded by a membrane. During puberty, the endometrium sheds normally, but the blood accumulates in the vagina (**hematocolpos**), and eventually the uterus (**hematometra**). This presents clinically as primary amenorrhea with cyclical pelvic pain and a bulging, bluish membrane on examination. **2. Why Other Options are Incorrect:** * **Asherman’s Syndrome (Option B):** This involves intrauterine adhesions that obliterate the uterine cavity. Here, the endometrium is damaged or absent; therefore, **no blood is produced**. This is a cause of true secondary amenorrhea, not hidden menstruation. * **Mullerian Agenesis (Option C):** Also known as MRKH syndrome, this is characterized by the congenital absence of the uterus and upper two-thirds of the vagina. Since there is **no functional uterus** to produce menstrual blood, cryptomenorrhea cannot occur. **Clinical Pearls for NEET-PG:** * **Classic Presentation:** A pubertal girl with primary amenorrhea, cyclical abdominal pain, and a palpable midline mass (distended bladder or hematometra). * **Other causes of Cryptomenorrhea:** Transverse vaginal septum and atresia of the cervix. * **Treatment:** For imperforate hymen, the definitive treatment is a **cruciate incision** to allow the drainage of the "chocolate-colored" old blood. * **Distinction:** Always differentiate cryptomenorrhea (outflow obstruction) from true amenorrhea (hormonal or end-organ failure).

Question 1

Irregular shedding of the endometrium occurs due to:

Accepted Answer

Overactivity of the corpus luteum function

Answer

Epithelium being immature

Answer

It does not show the decidual-like oedema of the secretory phase

Answer

Regression of the corpus luteum function

Question 2

A 19-year-old female develops bleeding from the nose during menstruation. What is she most likely suffering from?

Accepted Answer

Vicarious menstruation

Answer

Henosch Schonlein Purpura

Answer

Persistent urachus

Answer

Bleeding diathesis

Question 3

What is the first line treatment for Abnormal Uterine Bleeding?

Accepted Answer

Medical management

Answer

Versapoint

Answer

Novasure

Answer

Surgical management

Question 4

A 35-year-old multigravida aborted 5 months back at 17 weeks of gestation. She has not had her periods yet, and her urine pregnancy test is negative. An estrogen-progesterone withdrawal test is also negative. What is the likely diagnosis?

Accepted Answer

Asherman syndrome

Answer

Pituitary failure

Answer

Ovarian failure

Answer

Anovulation

Question 5

Dysfunctional uterine bleeding (DUB) is most commonly associated with which of the following conditions?

Accepted Answer

Metropathia haemorrhagica

Answer

Polycystic ovarian disease

Answer

Endometrial tuberculosis

Answer

Multiple fibroids

Question 6

A positive progesterone challenge test in a patient with secondary amenorrhea indicates:

Accepted Answer

Polycystic ovarian disease

Answer

Asherman syndrome

Answer

Endometrial tuberculosis

Answer

Hypopituitarism

Question 7

Heavy menstrual bleeding is assessed by all of the following EXCEPT:

Accepted Answer

Blood loss more than 120 ml

Answer

Passing clots more than 1 inch in diameter

Answer

Hemoglobin concentration below 12 g/dL

Answer

Menses lasting longer than 7 days

Question 8

Withdrawal bleeding with progesterone is seen in an otherwise amenorrheic woman due to which of the following?

Accepted Answer

Anovulation

Answer

Hypogonadotropic hypogonadism

Answer

Ovarian failure

Answer

Tuberculous endometritis

Question 9

What is a cause of secondary dysmenorrhea in a young female?

Accepted Answer

All of the above

Answer

Tuberculosis

Answer

Subserous fibroid

Answer

Endometriosis

Question 10

Cryptomenorrhea occurs due to:

Accepted Answer

Imperforate hymen

Answer

Asherman's syndrome

Answer

Mullerian agenesis

Answer

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Menstrual Disorders — MCQs

Menstrual Disorders — MCQs

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