Menstrual Disorders Practice Questions

Q: Which is not a feature of dysfunctional uterine bleeding?

Tender uterus. **Explanation:** **Dysfunctional Uterine Bleeding (DUB)** is defined as abnormal uterine bleeding in the absence of any detectable organic pelvic pathology, systemic disease, or pregnancy. It is a diagnosis of exclusion. **1. Why "Tender Uterus" is the correct answer:** Tenderness is a hallmark of **inflammatory or infective conditions** (like Pelvic Inflammatory Disease/Endometritis) or **Adenomyosis**. Since DUB is by definition non-organic and non-inflammatory, the uterus should be **non-tender**. Finding a tender uterus points toward an alternative diagnosis, making it "not a feature" of DUB. **2. Analysis of Incorrect Options:** * **Uterine size of 8-10 weeks:** In DUB, the uterus is typically normal in size or slightly bulky (up to 8–10 weeks) due to prolonged estrogen stimulation causing myometrial hypertrophy. Sizes beyond 12 weeks usually suggest fibroids or pregnancy. * **Menorrhagia:** This is the most common clinical presentation of DUB, particularly in ovulatory cycles or due to irregular shedding in anovulatory cycles. * **Proliferative endometrium:** This is a classic finding in **anovulatory DUB**. Without ovulation, there is no corpus luteum and no progesterone; the endometrium remains in the proliferative phase under the influence of unopposed estrogen until it outgrows its blood supply and sheds irregularly. **Clinical Pearls for NEET-PG:** * **Gold Standard Diagnosis:** Dilation and Curettage (D&C) or Hysteroscopy-guided biopsy to rule out malignancy (especially in patients >35 years). * **Most common type:** Anovulatory DUB (80%), common at extremes of reproductive life (puberty and perimenopause). * **Management:** Combined Oral Contraceptives (COCs) are first-line for most; **Levonorgestrel Intrauterine System (LNG-IUS)** is the most effective medical management for heavy menstrual bleeding.

Q: Cryptomenorrhoea is most commonly seen with which of the following conditions?

Imperforate hymen. **Explanation:** **Cryptomenorrhoea** refers to a condition where menstrual blood is produced but cannot escape the genital tract due to an anatomical obstruction in the outflow tract. **Why Option A is Correct:** The **Imperforate Hymen** is the most common cause of cryptomenorrhoea. In this congenital condition, the hymen lacks an opening, leading to the accumulation of menstrual blood in the vagina (**Hematocolpos**). Over time, this can extend to the uterus (**Hematometra**) and fallopian tubes (**Hematosalpinx**). Clinically, it presents in adolescent girls with primary amenorrhea and cyclical lower abdominal pain. **Why Other Options are Incorrect:** * **B. Asherman Syndrome:** This involves intrauterine adhesions that lead to a lack of endometrial lining or cavity obliteration. Since the endometrium is scarred, menstruation does not occur (true secondary amenorrhea), rather than being "hidden." * **C. PCOD:** This is an endocrinological disorder characterized by anovulation. The lack of menstruation is due to hormonal imbalance, not an anatomical obstruction. * **D. Vaginal Agenesis (Mayer-Rokitansky-Küster-Hauser syndrome):** In most cases of MRKH, the uterus is also absent or rudimentary. Without a functional uterus, no menstrual blood is produced; therefore, it is not a classic cause of cryptomenorrhoea. **High-Yield Clinical Pearls for NEET-PG:** 1. **Clinical Sign:** On examination, a **bulging, bluish membrane** at the introitus is pathognomonic for imperforate hymen. 2. **Rectal Examination:** May reveal a tense, cystic midline mass (hematocolpos). 3. **Treatment:** The definitive management is a **Cruciate Incision** on the hymen to allow the drainage of the "tarry" or "chocolate-colored" old blood. 4. **Other causes:** Transverse vaginal septum and atresia of the cervix are rarer causes of cryptomenorrhoea.

Q: An 18-year-old college student who has recently become sexually active presents with severe primary dysmenorrhea. She does not want to become pregnant and has not found relief with heating pads or mild analgesics. Which of the following medications is most appropriate for this patient?

Oral contraceptives. ### Explanation **Correct Option: D. Oral Contraceptives** Primary dysmenorrhea is caused by excessive production of **Prostaglandin F2α (PGF2α)** in the secretory endometrium, leading to painful uterine contractions and ischemia. In this patient, Combined Oral Contraceptive Pills (OCPs) are the most appropriate choice because: 1. **Mechanism:** They suppress ovulation and thin the endometrial lining. A thinner endometrium produces significantly less prostaglandins, thereby reducing uterine contractility and pain. 2. **Clinical Context:** The patient is sexually active and desires contraception. OCPs address both the primary dysmenorrhea and her need for birth control, making them the first-line therapy in this scenario. **Analysis of Incorrect Options:** * **A. Prostaglandin inhibitors (NSAIDs):** While these are typically the first-line treatment for primary dysmenorrhea, the question states she has already tried "mild analgesics" without relief. Furthermore, OCPs provide the added benefit of contraception which she specifically requires. * **B. Narcotic analgesics:** These are contraindicated for chronic menstrual pain due to the high risk of dependence and side effects. * **C. Oxytocin:** This would worsen the condition as it stimulates uterine contractions, increasing pain. **NEET-PG High-Yield Pearls:** * **Primary Dysmenorrhea:** Pain usually begins 6–12 months after menarche (once ovulatory cycles are established). It typically starts 1–2 days before or with the onset of menses. * **First-line for non-sexually active:** NSAIDs (e.g., Mefenamic acid, Ibuprofen). * **First-line for sexually active/desiring contraception:** OCPs. * **Secondary Dysmenorrhea:** If pain does not respond to NSAIDs or OCPs, investigate for secondary causes like **Endometriosis** (most common) or Adenomyosis.

Q: Spasmodic dysmenorrhea is most commonly associated with which of the following conditions?

Submucous fibroid. **Explanation:** **Spasmodic dysmenorrhea** (also known as primary-like secondary dysmenorrhea) is characterized by sharp, colicky pains in the lower abdomen. The underlying mechanism is the **active contraction of the uterine muscle** attempting to expel a foreign body or mass through the cervical canal. 1. **Why Submucous Fibroid is Correct:** A submucous fibroid acts as an intrauterine "foreign body." When the uterus tries to expel this pedunculated mass (often referred to as a "fibroid in evolution"), it triggers intense, spasmodic myometrial contractions. This mimics the mechanism of labor pains, leading to the classic spasmodic nature of the pain. 2. **Analysis of Incorrect Options:** * **Endometriosis:** Typically associated with **congestive (secondary) dysmenorrhea**. The pain is dull, aching, and begins a few days before menstruation due to pelvic congestion and inflammatory cytokines, rather than spasmodic contractions. * **Dysfunctional Uterine Bleeding (DUB):** Usually characterized by painless, heavy, or irregular bleeding (especially in anovulatory cycles). It does not typically present with spasmodic pain unless large clots are being expelled. * **Ovarian Cyst:** Generally causes chronic pelvic pain or acute pain in cases of torsion/rupture. It does not involve the uterine contractile mechanism required for spasmodic dysmenorrhea. **High-Yield Clinical Pearls for NEET-PG:** * **Primary Dysmenorrhea:** Always spasmodic; occurs in ovulatory cycles due to **PGF2α** excess. Pain starts with the onset of menses. * **Secondary Dysmenorrhea:** Usually congestive. However, **submucous fibroids, endometrial polyps, and cervical stenosis** are specific causes of *spasmodic* secondary dysmenorrhea. * **Treatment of choice for Spasmodic Dysmenorrhea:** NSAIDs (Prostalglandin synthetase inhibitors) like Mefenamic acid.

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: Bleeding from the umbilicus in an adult female during menstruation is suggestive of?

Vicarious menstruation. **Explanation:** The correct answer is **Vicarious Menstruation**. **1. Why Vicarious Menstruation is correct:** Vicarious menstruation refers to cyclical bleeding from extragenital sites during the normal menstrual cycle. It occurs due to the increased capillary permeability and fragility caused by high estrogen levels just before menstruation. The most common site is the **nasal mucosa** (epistaxis), but it can also occur from the umbilicus, stomach (hematemesis), lungs (hemoptysis), or skin. In the case of the umbilicus, it is often associated with **endometriosis** (Villar’s nodule), where ectopic endometrial tissue responds to hormonal fluctuations. **2. Why other options are incorrect:** * **Bleeding diathesis & Purpura:** These are systemic coagulation or platelet disorders. While they cause abnormal bleeding (e.g., petechiae, bruising, or menorrhagia), the bleeding is typically not strictly cyclical or synchronized with the menstrual phase. * **Persistent urachus:** This is a congenital anomaly where the connection between the bladder and the umbilicus fails to close. It typically presents with the leakage of **urine** from the umbilicus, not cyclical blood. **3. High-Yield Clinical Pearls for NEET-PG:** * **Most common site:** Nasal mucosa (Epistaxis). * **Villar’s Nodule:** Primary umbilical endometriosis; presents as a painful, bluish-purple umbilical swelling that bleeds cyclically. * **Mechanism:** Increased vascular congestion and capillary rupture triggered by the withdrawal of estrogen and progesterone. * **Treatment:** Usually involves hormonal suppression (OCPs, GnRH agonists) or surgical excision of the ectopic tissue.

Q: All of the following conditions are associated with primary amenorrhea EXCEPT:

Stein-Leventhal syndrome. **Explanation:** The correct answer is **Stein-Leventhal syndrome** (Polycystic Ovary Syndrome - PCOS). **1. Why Stein-Leventhal Syndrome is the correct answer:** Stein-Leventhal syndrome is characterized by hyperandrogenism, insulin resistance, and chronic anovulation. While it is a leading cause of **secondary amenorrhea** (cessation of menses after menarche), it is rarely a cause of primary amenorrhea. Patients typically achieve menarche but subsequently develop irregular cycles (oligomenorrhea) or amenorrhea due to hormonal imbalances. **2. Analysis of incorrect options (Causes of Primary Amenorrhea):** * **Testicular Feminization Syndrome (Androgen Insensitivity Syndrome):** These individuals are genotypically male (46, XY) but phenotypically female. Due to androgen receptor resistance, they have a blind vaginal pouch and absent uterus, leading to **primary amenorrhea**. * **Turner’s Syndrome (45, XO):** This is the most common cause of primary amenorrhea. Gonadal dysgenesis leads to "streak ovaries" and accelerated oocyte atresia, resulting in a failure to initiate puberty. * **Mayer-Rokitansky-Küster-Hauser (MRKH) Syndrome:** This involves Müllerian agenesis (congenital absence of the uterus and upper 2/3 of the vagina) in a genotypically and phenotypically normal female (46, XX). It is the second most common cause of **primary amenorrhea**. **Clinical Pearls for NEET-PG:** * **Most common cause of primary amenorrhea:** Turner’s Syndrome (Hypergonadotropic hypogonadism). * **Most common cause of secondary amenorrhea:** Pregnancy (Physiological); PCOS (Pathological). * **Differentiating MRKH vs. AIS:** Both present with primary amenorrhea and absent uterus. However, MRKH has **normal pubic/axillary hair** (46, XX), whereas AIS has **sparse/absent hair** (46, XY).

Question 1

Metropathia hemorrhagica is best treated by:

Accepted Answer

Progestogen

Answer

Curettage of uterus

Answer

Oestrogen

Answer

Clomiphene

Question 2

Which is not a feature of dysfunctional uterine bleeding?

Accepted Answer

Tender uterus

Answer

Uterine size of 8-10 weeks

Answer

Menorrhagia

Answer

Proliferative endometrium

Question 3

Cryptomenorrhoea is most commonly seen with which of the following conditions?

Accepted Answer

Imperforate hymen

Answer

Asherman syndrome

Answer

PCOD

Answer

Vaginal agenesis

Question 4

An 18-year-old college student who has recently become sexually active presents with severe primary dysmenorrhea. She does not want to become pregnant and has not found relief with heating pads or mild analgesics. Which of the following medications is most appropriate for this patient?

Accepted Answer

Oral contraceptives

Answer

Prostaglandin inhibitors

Answer

Narcotic analgesics

Answer

Oxytocin

Question 5

Spasmodic dysmenorrhea is most commonly associated with which of the following conditions?

Accepted Answer

Submucous fibroid

Answer

Endometriosis

Answer

Dysfunctional uterine bleeding (DUB)

Answer

Ovarian cyst

Question 6

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 7

What is the primary treatment for pubertal menorrhagia in a 16-year-old girl with 3 gm% Hb?

Accepted Answer

A combination of estrogen and progesterone with blood transfusion

Answer

Dilatation and curettage with blood transfusion

Answer

Danazol with blood transfusion

Answer

Progestogen with blood transfusion

Question 8

Bleeding from the umbilicus in an adult female during menstruation is suggestive of?

Accepted Answer

Vicarious menstruation

Answer

Bleeding diathesis

Answer

Persistent urachus

Answer

Purpura

Question 9

All of the following conditions are associated with primary amenorrhea EXCEPT:

Accepted Answer

Stein-Leventhal syndrome

Answer

Testicular feminization syndrome

Answer

Turner's syndrome

Answer

Mayer-Rokitansky-Küster-Hauser syndrome

Question 10

What is the most common cause of dysfunctional uterine bleeding (DUB)?

Accepted Answer

Anovulatory causes

Answer

Ovulatory causes

Answer

Coagulopathy

Answer

Pregnancy-related complications

Menstrual Disorders — MCQs

Menstrual Disorders — MCQs

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