Contraception and Family Planning — MCQs

Contraception and Family Planning Indian Medical PG Practice Questions and MCQs

Question 301: Return of fertility is delayed after cessation of oral contraception by:

A. 2 weeks
B. 3 weeks
C. 4 weeks
D. 6 weeks (Correct Answer)

Explanation: **Explanation:** The return of fertility after discontinuing Combined Oral Contraceptive Pills (COCPs) is characterized by a short physiological lag period. While the hormones are cleared from the system rapidly, the **Hypothalamic-Pituitary-Ovarian (HPO) axis** requires time to recover from suppression and re-establish the cyclic release of GnRH, FSH, and LH necessary for ovulation. **Why 6 weeks is correct:** In most women, the first post-pill ovulation is delayed. Clinical studies and standard textbooks (such as DC Dutta) indicate that while the first menstrual period usually occurs within 4–6 weeks, the **return of full fertility (consistent ovulation) is typically delayed by approximately 6 weeks.** It is important to note that this delay is temporary; by 3 months, the conception rates are similar to those who have not used hormonal contraception. **Analysis of Incorrect Options:** * **A, B, and C (2, 3, and 4 weeks):** These timeframes are too short. While some women may ovulate as early as 2–3 weeks post-cessation, the statistical average for the restoration of the regular ovulatory cycle and peak fertility across the population is longer. A 4-week period usually marks the return of withdrawal bleeding, but not necessarily a fertile ovulatory cycle. **High-Yield Clinical Pearls for NEET-PG:** * **DMPA (Injectable):** Has the longest delay in return of fertility, averaging **7–10 months** (up to 18 months). * **IUCD/PPIUCD:** Fertility returns **immediately** upon removal. * **Barrier Methods:** No delay in fertility. * **Post-pill Amenorrhea:** If menstruation does not return within **6 months** of stopping COCPs, it requires investigation (incidence <1%). * **Misconception:** COCPs do not cause permanent infertility or decrease the ovarian reserve.

Question 302: Reversal of sterilization is best achieved by which method?

A. Falope ring application (Correct Answer)
B. Cauterization
C. Pomeroy method
D. Irving method

Explanation: The success of sterilization reversal (tubal re-anastomosis) is directly proportional to the amount of healthy fallopian tube preserved and the degree of tissue destruction. **Why Falope Ring is the Correct Answer:** The **Falope ring (Silastic band)** is a mechanical method of tubal occlusion. It works by looping a small segment of the fallopian tube and constricting it. This method causes **minimal tissue destruction** (usually only 1–2 cm of the tube). Because the remaining segments of the tube are healthy and long, surgical re-anastomosis has the highest success rate compared to other methods. **Analysis of Incorrect Options:** * **B. Cauterization:** This involves using bipolar or unipolar current to burn the tubes. It causes extensive thermal damage and lateral heat spread, destroying a large portion of the tube and making reversal difficult. * **C. Pomeroy Method:** This is the most common surgical method (ligation and excision). While it is relatively easy to reverse compared to cautery, it still involves the excision of a tubal segment, resulting in more tissue loss than a ring or clip. * **D. Irving Method:** This is a highly effective but aggressive surgical technique where the proximal end of the tube is buried in the myometrium. It is the most difficult to reverse due to the extensive surgical alteration of the anatomy. **NEET-PG High-Yield Pearls:** * **Best Reversibility:** Hulka-Clemens Clip > Falope Ring > Pomeroy Method. (Note: While clips are technically best, among the given options, the Falope ring is the superior choice). * **Most Common Method (India):** Modified Pomeroy’s technique. * **Failure Rate:** The Falope ring has a failure rate of approximately 0.2–0.5%. * **Prerequisite for Reversal:** A minimum of **4 cm** of healthy tubal length is ideally required for a successful pregnancy post-reversal.

Question 303: Oral contraceptive pills predispose to which of the following conditions?

A. Asthma
B. Cerebral stroke (Correct Answer)
C. Peripheral neuropathy
D. Ovarian carcinoma

Explanation: **Explanation:** The correct answer is **Cerebral stroke**. Combined Oral Contraceptive Pills (COCPs) contain estrogen, which has a significant impact on the coagulation profile. Estrogen increases the hepatic synthesis of clotting factors (II, VII, IX, X, and fibrinogen) and decreases natural anticoagulants like Antithrombin III and Protein S. This creates a **hypercoagulable state**, increasing the risk of thromboembolic events, including deep vein thrombosis (DVT), pulmonary embolism, and arterial events like myocardial infarction and **ischemic cerebral stroke**. The risk is significantly potentiated in women who smoke, are over 35 years old, or have underlying hypertension. **Analysis of Incorrect Options:** * **Asthma:** There is no established causal link between COCP use and the development or exacerbation of asthma. * **Peripheral neuropathy:** COCPs are not neurotoxic. In fact, some studies suggest B-vitamin supplementation may be needed for long-term users, but they do not predispose to neuropathy. * **Ovarian carcinoma:** This is a **protective effect**. COCPs significantly *reduce* the risk of ovarian and endometrial cancers by suppressing ovulation and thinning the endometrial lining. **High-Yield Clinical Pearls for NEET-PG:** * **Cancer Risks:** COCPs **increase** the risk of Cervical cancer and Breast cancer (slight), but **decrease** the risk of Ovarian, Endometrial, and Colorectal cancers. * **Benign Tumors:** COCPs are a known risk factor for **Hepatic Adenoma**. * **Absolute Contraindications:** Undiagnosed vaginal bleeding, history of thromboembolism, estrogen-dependent tumors, and smokers >35 years (>15 cigarettes/day).

Question 304: Which of the following is NOT a postcoital contraceptive?

A. IUD
B. Danazol
C. High dose estrogen
D. Medroxy progesterone acetate (Correct Answer)

Explanation: **Explanation:** Postcoital (emergency) contraception is intended to prevent pregnancy after unprotected intercourse. The correct answer is **Medroxyprogesterone acetate (MPA)** because it is a long-acting progestogen used primarily for injectable contraception (DMPA) or hormone replacement therapy; it is not used in an emergency postcoital setting due to its slow onset and prolonged action. **Why the other options are incorrect:** * **IUD (Copper-T):** This is the **most effective** method of emergency contraception. It can be inserted up to 5 days (120 hours) after unprotected intercourse and works by preventing fertilization and implantation. * **Danazol:** Historically used as an emergency contraceptive (though rarely used now due to side effects), it acts by inhibiting the mid-cycle LH surge and altering the endometrium. * **High-dose Estrogen:** Formerly used in the "Ethinylestradiol 5mg for 5 days" regimen. It prevents pregnancy by interfering with luteal function and endometrial receptivity. **High-Yield Clinical Pearls for NEET-PG:** * **Gold Standard:** The Copper-T IUD is the most effective postcoital method (failure rate <0.1%). * **Drug of Choice:** Oral **Levonorgestrel (1.5 mg)** is the current standard pharmacological choice, ideally taken within 72 hours. * **Ulipristal Acetate:** A selective progesterone receptor modulator (SPRM) effective up to 120 hours (5 days) post-intercourse. * **Yuzpe Regimen:** Uses a combination of Ethinylestradiol and Levonorgestrel (now largely replaced by LNG-only pills due to nausea).

Question 305: What is the recommended intra-abdominal pressure range during laparoscopy?

A. 5-8 mm Hg
B. 10-15 mm Hg (Correct Answer)
C. 20-25 mm Hg
D. 30-35 mm Hg

Explanation: **Explanation:** In laparoscopic surgery, creating a **pneumoperitoneum** is essential to provide adequate visualization and working space. The recommended intra-abdominal pressure (IAP) range is **10–15 mm Hg**. **Why 10–15 mm Hg is correct:** This range is considered the "physiological sweet spot." It provides sufficient distension of the abdominal wall for safe instrument manipulation while minimizing adverse hemodynamic and respiratory effects. At this pressure, venous return is generally maintained, and the diaphragm is not excessively splinted. **Analysis of Incorrect Options:** * **5–8 mm Hg (Option A):** This pressure is usually insufficient to create an adequate working space, increasing the risk of visceral injury during trocar insertion and limiting the surgeon's field of view. * **20–25 mm Hg and 30–35 mm Hg (Options C & D):** These pressures are dangerously high. High IAP (>15–20 mm Hg) leads to: 1. **Cardiovascular issues:** Decreased venous return (IVC compression) and reduced cardiac output. 2. **Respiratory issues:** Diaphragmatic elevation leading to decreased functional residual capacity and hypercapnia. 3. **Renal issues:** Reduced renal perfusion and oliguria. **High-Yield Clinical Pearls for NEET-PG:** * **Gas of Choice:** CO₂ is used because it is non-combustible, highly soluble in blood (reducing air embolism risk), and rapidly excreted by the lungs. * **Flow Rate:** Initially started at a low flow (1 L/min) to ensure safe entry, then increased. * **Vagal Response:** Rapid distension of the peritoneum can trigger a vasovagal reflex, leading to **bradycardia**. * **Shoulder Pain:** Post-operative shoulder pain is common due to phrenic nerve irritation by residual CO₂ forming carbonic acid on the diaphragm.

Question 306: Emergency contraceptives are effective if administered within what period after unprotected intercourse?

A. 24 hours
B. 48 hours
C. 72 hours
D. 120 hours (Correct Answer)

Explanation: **Explanation:** The correct answer is **120 hours (5 days)**. While older guidelines primarily focused on the 72-hour window, modern clinical practice and current WHO/national guidelines recognize that emergency contraception (EC) is effective up to 120 hours after unprotected sexual intercourse (UPSI). **Why 120 hours is correct:** The 120-hour window reflects the maximum lifespan of sperm within the female reproductive tract. Emergency contraceptives work primarily by delaying or inhibiting ovulation. * **Ulipristal Acetate (UPA):** The gold standard oral EC, effective up to 120 hours with consistent efficacy throughout the window. * **Copper T (IUCD):** The most effective form of EC, which can be inserted up to 120 hours after UPSI (or up to 5 days after the earliest calculated date of ovulation). * **Levonorgestrel (LNG):** While licensed for 72 hours, studies show it retains some efficacy up to 120 hours, though its effectiveness declines significantly after the first 3 days. **Analysis of Incorrect Options:** * **A & B (24 & 48 hours):** While EC is *most* effective the sooner it is taken (especially LNG), these timeframes are unnecessarily restrictive and do not represent the upper limit of efficacy. * **C (72 hours):** This was the traditional cutoff for the "Morning After Pill" (LNG). However, it is no longer the correct answer for the *maximum* period, as both UPA and the Copper IUCD are highly effective up to 120 hours. **High-Yield Clinical Pearls for NEET-PG:** * **Most Effective EC:** Copper IUCD (Failure rate <0.1%). * **Drug of Choice (Oral):** Ulipristal acetate (30 mg single dose). * **LNG Dosage:** 1.5 mg single dose (or 0.75 mg two doses, 12 hours apart). * **Mechanism:** They do **not** cause abortion; they work by preventing fertilization/ovulation. They are ineffective once implantation has occurred. * **Yuzpe Regimen:** Uses combined oral contraceptive pills (Ethinylestradiol + Levonorgestrel); rarely used now due to high side effects (nausea/vomiting).

Question 307: Which of the following IUDs is used for patients with menorrhagia?

A. CuT 250
B. Multiload
C. Nova T
D. Progestase (Levonorgestrel) (Correct Answer)

Explanation: **Explanation:** The correct answer is **D. Progestase (Levonorgestrel)**. **Why it is correct:** The Levonorgestrel-releasing Intrauterine System (LNG-IUS), commonly known by brand names like Mirena or Progestasert/Progestase, is the only IUD indicated for the treatment of **menorrhagia** (heavy menstrual bleeding). It works by releasing a low dose of progestogen directly into the uterine cavity, which causes profound **endometrial atrophy** and thinning. This leads to a significant reduction in menstrual blood loss (up to 90%) and often results in amenorrhea. It is considered a first-line medical management for Idiopathic Menorrhagia and is also used in cases of adenomyosis and endometriosis. **Why the other options are incorrect:** * **A, B, and C (CuT 250, Multiload, Nova T):** These are all **Copper-containing IUDs**. Copper IUDs are non-hormonal and work primarily by causing a sterile inflammatory response in the endometrium. A well-known side effect of copper IUDs is an **increase in menstrual blood loss** and dysmenorrhea. Therefore, they are contraindicated in patients already suffering from menorrhagia. **High-Yield Clinical Pearls for NEET-PG:** * **Mechanism of LNG-IUS:** Thickens cervical mucus (primary), causes endometrial atrophy, and inhibits sperm motility. * **Life Span:** LNG-IUS (Mirena) is typically effective for 5–8 years. * **Non-contraceptive benefits:** Reduces the risk of Pelvic Inflammatory Disease (PID) due to thickened cervical mucus and protects against endometrial hyperplasia/cancer. * **Ideal Candidate:** A woman with heavy periods who also requires long-term, reversible contraception.

Question 308: A vasectomy is said to have failed if the partner of the vasectomised person gives birth to a child ten months after the operation. Which one of the following is the most probable cause?

A. Failure of the husband to use a condom after vasectomy (Correct Answer)
B. Surgical failure
C. Recanalisation
D. Wife had extramarital contact

Explanation: **Explanation:** The correct answer is **A. Failure of the husband to use a condom after vasectomy.** **1. Why Option A is Correct:** Vasectomy is not immediately effective. After the surgical ligation of the vas deferens, viable sperm remain stored in the distal portion of the reproductive tract (seminal vesicles and ampulla). It typically takes **12 to 20 ejaculations** or approximately **3 months** to clear the remaining sperm from the system. During this "lag period," the couple must use an alternative form of contraception (like condoms). A pregnancy occurring 10 months post-operation implies conception occurred roughly 1 month after the procedure, which is the peak period for residual sperm presence. **2. Analysis of Incorrect Options:** * **B. Surgical failure:** While possible (e.g., ligating the wrong structure), it is less common than the failure to observe the post-operative waiting period. * **C. Recanalisation:** Spontaneous re-anastomosis of the vas deferens is a rare, late complication. It usually occurs much later and is statistically less likely than the failure to use backup contraception in the immediate post-op period. * **D. Wife had extramarital contact:** In medical examinations, we prioritize physiological and procedural explanations over social assumptions unless clinical evidence suggests otherwise. **3. High-Yield Clinical Pearls for NEET-PG:** * **Confirmation of Success:** A vasectomy is only declared successful after **two consecutive semen analyses** show **azoospermia**. * **Timeframe:** The standard advice is to use alternative contraception for **3 months** or until **20 ejaculations** have occurred. * **Comparison:** Vasectomy is safer, simpler, and has a lower failure rate (0.1%) compared to tubectomy (0.5%). * **No-Scalpel Vasectomy (NSV):** The preferred technique currently, as it reduces the risk of hematoma and infection.

Question 309: Which of the following natural family planning methods is most effective?

A. Basal body temperature method
B. Cervical mucus method
C. Billings method
D. Symptothermal method (Correct Answer)

Explanation: **Explanation:** The **Symptothermal method** is the most effective natural family planning (NFP) method because it is a **multi-index approach**. It combines multiple physiological markers of ovulation—specifically Basal Body Temperature (BBT), cervical mucus changes, and sometimes cervical position or calendar calculations—to identify the fertile window. By cross-referencing these indicators, the margin of error inherent in using a single parameter is significantly reduced, leading to a lower failure rate (Perfect use Pearl Index: ~0.4%). **Analysis of Incorrect Options:** * **Basal Body Temperature (BBT) method:** This relies on the 0.4–0.8°F rise in temperature caused by **progesterone** after ovulation. Its main drawback is that it only identifies the *end* of the fertile phase (post-ovulatory) and can be affected by fever, stress, or lack of sleep. * **Cervical Mucus Method:** This involves monitoring the changes in vaginal secretions. Under estrogen influence, mucus becomes thin, watery, and stretchy (**Spinnbarkeit phenomenon**). * **Billings Method:** This is a specific standardized version of the cervical mucus method. While effective, any single-index method (like A, B, or C) is statistically less reliable than the combined approach of the Symptothermal method. **High-Yield NEET-PG Pearls:** * **Pearl Index:** Defined as the number of unintended pregnancies per 100 woman-years of exposure. A lower index indicates higher efficacy. * **Lactational Amenorrhea Method (LAM):** Only effective for up to 6 months postpartum, provided the mother is exclusively breastfeeding and remains amenorrheic. * **Spinnbarkeit Test:** Refers to the elasticity of cervical mucus; maximum elasticity (10-12 cm) occurs just before ovulation. * **Standard Days Method:** Uses a "CycleBeads" string; it is only suitable for women with cycles between 26 and 32 days.

Question 310: What is the most commonly performed type of tubal ligation in current practice?

A. Pomeroy's method (Correct Answer)
B. Irving's operation
C. Yoon ring application
D. Madlener procedure

Explanation: ### Explanation **Pomeroy’s method** is the most commonly performed technique for tubal ligation worldwide, particularly in the postpartum period. Its popularity stems from its **simplicity, safety, and high efficacy**. The procedure involves grasping a loop of the fallopian tube (usually the isthmic portion), ligating the base with an absorbable suture (like plain catgut), and excising the loop. As the suture absorbs, the two ends of the tube fibrose and pull apart, creating a gap that prevents fertilization. **Analysis of Incorrect Options:** * **Irving’s operation:** This is the most effective method (lowest failure rate) but is technically difficult and requires extensive dissection. It involves burying the proximal end of the tube into the myometrium and the distal end into the broad ligament. * **Yoon ring application:** This is a mechanical method commonly used during **laparoscopic** tubal occlusion. While frequent in interval sterilization, it is not the "most common" overall compared to the Pomeroy technique used in both open and laparoscopic settings. * **Madlener procedure:** This involves crushing and ligating a loop of the tube without excision. It is rarely performed today because it has a high failure rate and carries an increased risk of tubal recanalization and ectopic pregnancy. **High-Yield Clinical Pearls for NEET-PG:** * **Most common method:** Pomeroy’s. * **Most effective method:** Irving’s (Failure rate ~0.1%). * **Failure rate of Pomeroy’s:** Approximately 0.1–0.5%. * **Ideal time for Postpartum Sterilization:** 24–48 hours after delivery. * **Site of ligation:** Usually the **isthmus** (the narrowest part). * **Modified Pomeroy:** Uses non-absorbable sutures (less common due to risk of fistula).

Practice by Chapter

Natural Family Planning Methods

Practice Questions

Barrier Methods

Practice Questions

Hormonal Contraceptives

Practice Questions

Intrauterine Devices

Practice Questions

Emergency Contraception

Practice Questions

Permanent Contraception Methods

Practice Questions

Contraception in Special Populations

Practice Questions

Contraceptive Counseling

Practice Questions

Side Effects and Complications of Contraceptives

Practice Questions

Future Contraceptive Technologies

Practice Questions

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