Fertility and Infertility Practice Questions

Q: What is the initial starting dose of clomiphene citrate for infertility?

50 mg/day. **Explanation:** **Clomiphene Citrate (CC)** is the traditional first-line pharmacological agent for ovulation induction, particularly in women with WHO Group II ovulatory dysfunction (e.g., Polycystic Ovary Syndrome). **Why 50 mg/day is correct:** The standard protocol for Clomiphene Citrate initiation is a starting dose of **50 mg per day for 5 consecutive days**, typically beginning on Day 2, 3, 4, or 5 of the menstrual cycle. This dose is chosen because it is the lowest effective dose that achieves ovulation in approximately 50% of patients while minimizing the risk of side effects like multiple pregnancies and Ovarian Hyperstimulation Syndrome (OHSS). If ovulation is not achieved at 50 mg, the dose is increased in subsequent cycles in increments of 50 mg (up to a maximum of 150 mg). **Why other options are incorrect:** * **30 mg, 40 mg, and 60 mg/day:** These are not standard manufactured strengths or recommended starting doses. Clomiphene is commercially available in **50 mg tablets**. Starting at doses lower than 50 mg is generally sub-therapeutic, and starting higher increases the risk of anti-estrogenic effects on the endometrium and cervical mucus. **High-Yield Clinical Pearls for NEET-PG:** * **Mechanism of Action:** It is a **Selective Estrogen Receptor Modulator (SERM)**. It acts as a competitive antagonist to estrogen receptors in the hypothalamus, blocking negative feedback. This leads to increased GnRH secretion, which stimulates the pituitary to release more **FSH and LH**, promoting follicular growth. * **Success Rates:** Ovulation occurs in ~70-80% of cases, but the pregnancy rate is lower (~30-40%) due to its anti-estrogenic effect on the endometrium. * **Side Effects:** Most common is **vasomotor flushes** (hot flashes). The most serious is **OHSS** (though less common than with gonadotropins). * **Multiple Pregnancy:** There is a 5-10% risk, predominantly twins.

Q: Treatment with clomiphene citrate should be limited to how many ovulatory cycles?

6. **Explanation:** **Clomiphene Citrate (CC)** is a Selective Estrogen Receptor Modulator (SERM) and the traditional first-line agent for ovulation induction in WHO Group II anovulation (e.g., PCOS). **Why 6 cycles?** The correct answer is **6 cycles** because clinical data shows that approximately **75-80% of pregnancies** occurring with CC treatment happen within the first six ovulatory cycles. Continuing treatment beyond this point offers a significantly diminishing return on the pregnancy rate. Furthermore, prolonged use (typically defined as >12 cycles) has been historically linked to a theoretical increased risk of borderline ovarian tumors, though the primary reason for the 6-cycle limit is **clinical futility**. If a patient has not conceived after 6 ovulatory cycles, they are classified as "clomiphene failures," and the treatment strategy should be escalated to gonadotropins or IVF. **Analysis of Incorrect Options:** * **A (3 cycles):** While some clinicians evaluate progress early, 3 cycles are insufficient to declare treatment failure, as many patients conceive between cycles 3 and 6. * **C & D (10 & 12 cycles):** Continuing CC for 10-12 cycles is avoided due to the lack of additional efficacy and the potential anti-estrogenic effects of CC on the cervical mucus and endometrium, which may actually hinder implantation over time. **High-Yield Clinical Pearls for NEET-PG:** * **Mechanism of Action:** Blocks estrogen receptors in the hypothalamus, inhibiting negative feedback and increasing endogenous **GnRH, FSH, and LH** pulses. * **Dosage:** Usually started at **50 mg/day** for 5 days (Day 2-6 or 3-7 of the cycle). Max dose is 150 mg. * **Side Effects:** Multiple pregnancies (approx. 8-10%, mostly twins), hot flashes, and Ovarian Hyperstimulation Syndrome (OHSS - though less common than with gonadotropins). * **Monitoring:** Ovulation is typically expected 5–10 days after the last pill.

Q: Fallopian tube dysmotility is seen in which of the following conditions?

Kartagener syndrome. **Explanation:** **Correct Answer: C. Kartagener syndrome** **Mechanism:** Kartagener syndrome is a subset of **Primary Ciliary Dyskinesia (PCD)**, characterized by the triad of situs inversus, chronic sinusitis, and bronchiectasis. The underlying pathology is a genetic defect in the **dynein arms** of cilia (9+2 microtubule arrangement). In the female reproductive tract, the internal surface of the Fallopian tubes is lined with ciliated columnar epithelium. These cilia are responsible for the rhythmic transport of the ovum toward the uterus and assisting sperm motility. In Kartagener syndrome, these cilia are dysfunctional or immotile, leading to **tubal dysmotility**. This results in an increased risk of subfertility and ectopic pregnancy. **Analysis of Incorrect Options:** * **A. Noonan Syndrome:** An autosomal dominant disorder (often PTPN11 mutation) characterized by short stature, webbed neck, and pulmonary stenosis. It does not affect ciliary function. * **B. Turner Syndrome (45, XO):** The primary cause of infertility here is **gonadal dysgenesis** (streak ovaries) leading to premature ovarian failure, not tubal dysmotility. * **D. Marfan Syndrome:** A connective tissue disorder caused by FBN1 mutations affecting fibrillin-1. While it can lead to uterine organ prolapse due to tissue laxity, it does not involve ciliary dysfunction. **NEET-PG High-Yield Pearls:** * **Male Infertility in Kartagener:** Caused by immotile spermatozoa (the sperm tail is a modified flagellum with the same dynein structure). * **Ectopic Pregnancy:** Tubal dysmotility is a major risk factor for tubal ectopic gestation because the embryo is not transported to the uterine cavity in time. * **Diagnosis:** Screening is done via nasal Nitric Oxide levels; definitive diagnosis is via electron microscopy of ciliary biopsy or genetic testing.

Q: Considering the demands of modern life schedules, what is the accepted minimum period of unprotected sexual cohabitation for a couple to be considered infertile?

One year. **Explanation:** Infertility is clinically defined as the failure to achieve a clinical pregnancy after **12 months (one year)** or more of regular, unprotected sexual intercourse. This definition is based on the concept of **fecundability**—the probability of achieving pregnancy in a single menstrual cycle. In a healthy couple, the cumulative pregnancy rate is approximately 80-85% within the first year. Therefore, the one-year mark serves as the standard threshold to initiate medical investigations. **Analysis of Options:** * **Option A (One Year):** This is the globally accepted standard by WHO and ACOG. It balances the natural time required for conception with the need for timely medical intervention. * **Option B, C, and D:** These durations (1.5 to 3 years) are considered unnecessarily long. Delaying evaluation for this length of time can lead to a decline in ovarian reserve, especially in older patients, reducing the success rate of future treatments. **High-Yield Clinical Pearls for NEET-PG:** * **Age Exception:** If the female partner is **>35 years old**, the period of unprotected cohabitation required for an infertility diagnosis is reduced to **6 months**. * **Primary vs. Secondary:** Primary infertility refers to a couple who has never achieved pregnancy; Secondary infertility refers to those who have had at least one prior pregnancy (regardless of the outcome). * **Fecundability Rate:** The average monthly chance of conception for a healthy couple is about **20%**. * **Immediate Evaluation:** Investigation should start immediately (without waiting a year) if there is a known history of endometriosis, PCOS, tubal disease, or male factor infertility.

Q: Which of the following is NOT an essential criterion according to WHO for normal semen analysis?

Volume >1 mL. The correct answer is **B (Volume >1 mL)** because, according to the **WHO 6th Edition (2021)** and the widely tested **WHO 5th Edition (2010)** guidelines, the lower reference limit for semen volume is **1.5 mL**, not 1 mL. A volume below 1.5 mL is termed hypospermia and may indicate retrograde ejaculation, ductal obstruction, or androgen deficiency. ### Analysis of Incorrect Options: * **A. Sperm count >15 million/mL:** This is a correct WHO criterion. A concentration below this threshold is defined as **oligozoospermia**. * **C. Sperm with normal morphology >4%:** According to **Kruger’s strict criteria**, a sample is considered normal if at least 4% of sperm have ideal head, midpiece, and tail structures. Values below this are termed **teratozoospermia**. * **D. Motility >32%:** The WHO defines normal total motility as ≥40%, but specifically requires **progressive motility (PR) to be ≥32%**. Failure to meet this is termed **asthenozoospermia**. ### High-Yield Clinical Pearls for NEET-PG: * **Azoospermia:** Total absence of spermatozoa in the ejaculate. * **Aspermia:** Complete absence of semen. * **Vitality:** At least **58%** of sperm should be alive (tested via Eosin-Nigrosin stain). * **pH:** Should be **≥7.2** (alkaline). Acidic pH suggests bilateral absence of vas deferens or seminal vesicle obstruction. * **Liquefaction time:** Usually occurs within **15–30 minutes** at room temperature.

Q: A woman treated for infertility presents with 6 weeks of amenorrhea and urinary retention. What is the most likely etiology?

Impacted cervical fibroid. **Explanation:** The clinical presentation of **6 weeks of amenorrhea** (suggestive of early pregnancy) combined with **acute urinary retention** is a classic triad seen when a pelvic mass becomes "impacted" in the pouch of Douglas, displacing the cervix anteriorly. **1. Why "Impacted Cervical Fibroid" is correct:** In a woman being treated for infertility, a pre-existing cervical or low-lying posterior wall fibroid is common. As the uterus enlarges during early pregnancy (around 6–10 weeks), the fibroid can become incarcerated in the hollow of the sacrum. This pushes the cervix upward and forward against the symphysis pubis, stretching the urethra and compressing the bladder neck, leading to acute urinary retention. **2. Analysis of Incorrect Options:** * **Retroverted Uterus:** While an incarcerated gravid retroverted uterus is a classic cause of urinary retention at 12–14 weeks, it is less likely at only 6 weeks, as the uterus is not yet large enough to fill the pelvic cavity and cause impaction. * **Pelvic Hematocoele:** Usually associated with a ruptured ectopic pregnancy. While it causes pelvic pain and shock, it rarely presents with acute urinary retention as the primary symptom. * **Carcinoma Cervix:** While it can cause urinary symptoms through direct invasion (ureteric obstruction), it typically presents with post-coital bleeding or discharge in older women, not acute retention and amenorrhea in an infertility patient. **Clinical Pearls for NEET-PG:** * **The "12-week rule":** Retroverted gravid uterus typically causes retention at **12–14 weeks** when the fundus gets stuck under the sacral promontory. * **Mechanism:** Retention is due to the **elongation of the urethra** and compression of the bladder neck, not direct pressure on the bladder itself. * **Management:** Immediate catheterization followed by manual correction of the uterine position (if retroverted).

Q: In long protocol In Vitro Fertilization (IVF), on which day is GnRH agonist typically started?

Day 21 of the previous cycle. **Explanation:** In IVF, the **Long Protocol** (also known as the "Down-regulation protocol") is the most traditional and widely used method for controlled ovarian hyperstimulation. **1. Why Day 21 of the previous cycle is correct:** The primary goal of the long protocol is to achieve complete suppression of the pituitary gland before starting gonadotropins. The GnRH agonist is initiated in the **mid-luteal phase** (typically **Day 21**) of the cycle preceding the IVF stimulation. * **Mechanism:** Initial administration causes a "flare effect" (release of FSH/LH), but continuous administration leads to down-regulation and desensitization of GnRH receptors. This prevents a premature LH surge during the subsequent stimulation phase, ensuring that the follicles grow synchronously and do not ovulate before egg retrieval. **2. Analysis of Incorrect Options:** * **Day 1 of the previous cycle:** Starting this early is unnecessary and would interfere with the previous cycle's physiology without providing additional benefit for down-regulation. * **Day 1 of the IVF cycle:** This is characteristic of the **Short Protocol** (Flare Protocol). Here, the agonist is started on Day 2 to utilize the initial "flare" of endogenous FSH to help recruit follicles. * **Day 21 of the IVF cycle:** By this time, the cycle is usually complete (egg retrieval occurs around Day 14). **3. High-Yield Clinical Pearls for NEET-PG:** * **Gold Standard:** The Long Protocol is considered the gold standard for patients with normal ovarian reserve. * **Down-regulation check:** Successful down-regulation is confirmed by an ultrasound showing a thin endometrium (<5mm) and no ovarian cysts, and serum Estradiol levels <50 pg/mL. * **Antagonist Protocol:** Unlike agonists, GnRH **antagonists** (e.g., Cetrorelix) are started in the *late follicular phase* (Day 6 or when the lead follicle is 14mm) and provide immediate LH suppression.

Question 1

Which of the following procedures is associated with the maximum chance of re-canalization during surgery for reversal of tubal ligation?

Accepted Answer

Isthmic-isthmic anastomosis

Answer

Isthmic-ampullary anastomosis

Answer

Ampullary-ampullary anastomosis

Answer

Cornual obstruction

Question 2

A couple presents to a clinic for the work-up of infertility after 5 years of unprotected intercourse. The wife denies any medical problems and notes regular menstrual cycles. The husband reports a history of chronic sinusitis and lower respiratory tract infections. Physical examination of the woman is unremarkable. Examination of the man reveals dextrocardia. Further work-up of the husband will most likely reveal?

Accepted Answer

Immotile sperm

Answer

Azoospermia

Answer

Germinal cell aplasia

Answer

Isolated gonadotropin deficiency

Question 3

What is the initial starting dose of clomiphene citrate for infertility?

Accepted Answer

50 mg/day

Answer

30 mg/day

Answer

40 mg/day

Answer

60 mg/day

Question 4

Treatment with clomiphene citrate should be limited to how many ovulatory cycles?

Accepted Answer

6

Answer

3

Answer

10

Answer

12

Question 5

Fallopian tube dysmotility is seen in which of the following conditions?

Accepted Answer

Kartagener syndrome

Answer

Noonan syndrome

Answer

Turner syndrome

Answer

Marfan syndrome

Question 6

Considering the demands of modern life schedules, what is the accepted minimum period of unprotected sexual cohabitation for a couple to be considered infertile?

Accepted Answer

One year

Answer

One and a half years

Answer

Two years

Answer

Three years

Question 7

Which of the following is NOT an essential criterion according to WHO for normal semen analysis?

Accepted Answer

Volume >1 mL

Answer

Sperm count >15 million/mL

Answer

Sperm with normal morphology (strict criteria) >4%

Answer

Motility >32% with rapidly progressive motility

Question 8

A woman treated for infertility presents with 6 weeks of amenorrhea and urinary retention. What is the most likely etiology?

Accepted Answer

Impacted cervical fibroid

Answer

Retroverted uterus

Answer

Pelvic hematocoele

Answer

Carcinoma cervix

Question 9

In long protocol In Vitro Fertilization (IVF), on which day is GnRH agonist typically started?

Accepted Answer

Day 21 of the previous cycle

Answer

Day 1 of the previous cycle

Answer

Day 1 of the IVF cycle

Answer

Day 21 of the IVF cycle

Question 10

What is the recommended treatment for a patient with infertility and an 8 cm endometriotic cyst?

Accepted Answer

Proceed with surgery first, followed by infertility treatment.

Answer

Perform IUI as early as possible to utilize remaining fertility potential.

Answer

Administer Danazol first, followed by IUI or IVF.

Answer

Induce ovulation and monitor the fertile period.

Fertility and Infertility — MCQs

Fertility and Infertility — MCQs

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