Contraception and Family Planning — MCQs

Contraception and Family Planning Indian Medical PG Practice Questions and MCQs

Question 411: For how many consecutive days should a woman take hormonal oral contraceptive pills to effectively prevent ovulation?

A. 3 days
B. 5 days
C. 7 days (Correct Answer)
D. 9 days

Explanation: ### Explanation **Correct Answer: C. 7 days** **Medical Concept:** The primary mechanism of Combined Oral Contraceptive Pills (COCPs) is the suppression of the Hypothalamic-Pituitary-Ovarian (HPO) axis. Estrogen inhibits **FSH** (preventing follicular development), while Progestin inhibits the **LH surge** (preventing ovulation). To achieve therapeutic levels sufficient to suppress the HPO axis and ensure no "escape ovulation" occurs, it takes **7 consecutive days** of active hormonal intake. This is known as the **"7-day rule."** If a woman starts the pill after the 5th day of her menstrual cycle, she must use a backup method (like condoms) for the first 7 days. **Analysis of Incorrect Options:** * **A (3 days) & B (5 days):** These durations are insufficient to consistently suppress the mid-cycle LH surge. While some follicular inhibition begins, the risk of ovulation remains high if unprotected intercourse occurs. * **D (9 days):** While 9 days would certainly prevent ovulation, it exceeds the minimum clinical requirement. In medical exams, the "earliest" or "standard" threshold is sought, which is 7 days. **High-Yield Clinical Pearls for NEET-PG:** * **Missed Pill Rule:** If **two or more** pills are missed (48 hours or more since the last pill was taken), the 7-day rule applies again—the patient must use backup contraception for the next 7 days. * **Vomiting/Diarrhea:** If severe vomiting occurs within **2 hours** of pill intake, it is considered a missed dose. * **Quick Start Method:** If the pill is started at any time other than Day 1–5 of the cycle, the 7-day rule is mandatory. * **Most Critical Pills:** The pills at the **beginning and end** of a pack are the most critical to take on time to prevent the HPO axis from "waking up" during the hormone-free interval.

Question 412: Which oral contraceptive pill is the preferred choice for a lactating woman?

A. Monophasic pill
B. Biphasic pill
C. Triphasic pill
D. Mino pill (Correct Answer)

Explanation: **Explanation:** The correct answer is **D. Mini pill** (Progesterone-Only Pill or POP). **1. Why Mini Pill is the Correct Choice:** In lactating women, the primary concern with hormonal contraception is the effect on breast milk. **Estrogen**, found in combined oral contraceptive pills (COCs), is known to suppress lactation by decreasing both the quantity and the protein content of breast milk. The Mini pill contains only **progestogen** (e.g., Levonorgestrel or Desogestrel). Progestogens do not interfere with milk production or the duration of lactation, making them the preferred oral hormonal choice for breastfeeding mothers starting from 6 weeks postpartum. **2. Why Other Options are Incorrect:** * **Options A, B, and C (Monophasic, Biphasic, Triphasic pills):** These are all types of **Combined Oral Contraceptive Pills (COCs)**. They contain both estrogen (usually Ethinyl Estradiol) and a progestin. Because they contain estrogen, they are contraindicated in the early months of lactation as they can significantly reduce milk supply and may adversely affect the infant's growth. **3. High-Yield Clinical Pearls for NEET-PG:** * **Timing:** According to WHO Medical Eligibility Criteria (MEC), POPs can be started at **6 weeks postpartum** in breastfeeding women (MEC Category 1). * **Mechanism of Action:** The Mini pill primarily works by **thickening the cervical mucus**, preventing sperm penetration. It may also inhibit ovulation in some cycles and cause endometrial thinning. * **The "3-Hour Rule":** Traditional POPs must be taken at the same time every day; a delay of more than 3 hours is considered a "missed pill" (except for Desogestrel, which has a 12-hour window). * **Lactational Amenorrhea Method (LAM):** This is a natural contraceptive method effective for up to 6 months if the mother is exclusively breastfeeding and remains amenorrheic.

Question 413: Which of the following is a side effect of oral contraceptive pills?

A. Dysmenorrhea
B. Hyperprolactinemia
C. Carbohydrate intolerance (Correct Answer)
D. Endometriosis

Explanation: **Explanation:** **Carbohydrate intolerance** is a known metabolic side effect of Combined Oral Contraceptive Pills (COCPs). The progestogen component (especially older 19-nortestosterone derivatives) increases peripheral insulin resistance and decreases glucose tolerance. While modern low-dose pills have a minimal impact on healthy individuals, they can unmask latent diabetes or worsen glycemic control in predisposed women. **Analysis of Incorrect Options:** * **A. Dysmenorrhea:** COCPs are actually a **treatment** for dysmenorrhea. They inhibit ovulation and reduce endometrial prostaglandin production, leading to less painful menses. * **B. Hyperprolactinemia:** COCPs do not typically cause significant elevations in prolactin. While estrogen can stimulate lactotrophs, it does not lead to clinical hyperprolactinemia or galactorrhea in standard doses. * **D. Endometriosis:** COCPs are a **first-line medical management** for endometriosis. By inducing a pseudo-pregnancy state and causing endometrial atrophy, they reduce the growth and vascularity of ectopic endometrial tissue. **High-Yield Clinical Pearls for NEET-PG:** * **Lipid Profile:** Estrogen increases HDL (good) and decreases LDL, but it also increases **Triglycerides**. * **Cancer Risk:** COCPs **decrease** the risk of Ovarian and Endometrial cancers (protective effect persists for years) but may slightly **increase** the risk of Cervical and Breast cancers. * **Coagulation:** The estrogen component increases clotting factors (II, VII, IX, X) and decreases Antithrombin III, increasing the risk of **Venous Thromboembolism (VTE)**. * **Absolute Contraindications:** Undiagnosed vaginal bleeding, history of VTE, smokers >35 years, and active liver disease.

Question 414: Which of the following is NOT a barrier method of contraception?

A. Diaphragm
B. Foam tablets
C. Vaginal sponge
D. Lippes loop (Correct Answer)

Explanation: **Explanation:** The correct answer is **D. Lippes loop**. **1. Why Lippes loop is the correct answer:** The Lippes loop is a non-medicated (inert) **Intrauterine Device (IUD)**, not a barrier method. It is a double-S-shaped device made of polyethylene impregnated with barium sulfate for radiopacity. It works primarily by inducing a local foreign body inflammatory response in the endometrium, which prevents implantation and is spermicidal. **2. Why the other options are incorrect:** Barrier methods work by physically or chemically preventing sperm from entering the cervical canal. * **Diaphragm (A):** A mechanical barrier (vaginal dome) that covers the cervix. It must be used with spermicidal jelly. * **Foam tablets (B):** A chemical barrier (spermicide) containing agents like Nonoxynol-9 that immobilize or kill sperm in the vagina. * **Vaginal sponge (C):** A combined mechanical and chemical barrier (e.g., Today sponge) that fits over the cervix, absorbs semen, and releases spermicide. **Clinical Pearls for NEET-PG:** * **Generations of IUDs:** Lippes loop is a **1st generation** IUD. 2nd generation includes Copper-Ts (CuT-380A), and 3rd generation includes hormone-releasing systems (LNG-IUD/Mirena). * **Ideal Candidate for Lippes loop:** Multiparous women (due to its size and shape). * **Side Effects:** The most common side effects of IUDs like the Lippes loop are **bleeding (menorrhagia)** and **pain**. * **Note:** The Lippes loop is largely of historical interest in many regions but remains a classic "textbook" example of an inert IUD in exams.

Question 415: Which of the following is not used in emergency contraception?

A. Levonorgestrel intrauterine device (Correct Answer)
B. Oral mifepristone
C. Oral levonorgestrel
D. Copper T intrauterine device

Explanation: **Explanation:** The correct answer is **A. Levonorgestrel intrauterine device (LNG-IUD)**. In emergency contraception (EC), the goal is to prevent pregnancy *after* unprotected intercourse but *before* implantation. The LNG-IUD (e.g., Mirena) is **not** used for this purpose because its primary mechanism involves thickening cervical mucus and thinning the endometrial lining over time; it does not reliably prevent fertilization or implantation immediately after a single act of intercourse. **Analysis of Options:** * **Copper T intrauterine device (Option D):** This is the **most effective** method of EC (99% efficacy). It can be inserted up to 5 days (120 hours) after unprotected intercourse. It acts by causing a sterile inflammatory response that is toxic to sperm and ova, and prevents implantation. * **Oral Levonorgestrel (Option C):** Known as the "morning-after pill" (1.5 mg single dose), it is effective up to 72 hours. It works primarily by delaying or inhibiting ovulation. * **Oral Mifepristone (Option B):** In low doses (10–25 mg), this anti-progestogen is used as an effective EC by delaying ovulation and altering the endometrium. **High-Yield Clinical Pearls for NEET-PG:** * **Gold Standard:** The Copper T 380A is the most effective EC and provides ongoing contraception for 10 years. * **Ulipristal Acetate:** A selective progesterone receptor modulator (30 mg) is now considered the first-line oral EC, effective up to 120 hours. * **Yuzpe Regimen:** An older method using combined OCPs (Ethinylestradiol + Levonorgestrel); it is less effective and has more side effects (nausea/vomiting) than LNG alone. * **Timing:** All oral ECs are more effective the sooner they are taken ("Time is Tissue").

Question 416: What is the most appropriate contraceptive method for a lactating mother during the first six months postpartum?

A. Intrauterine contraceptive device (IUCD)
B. Combined oral contraceptive pills
C. Progestin-only pills (Correct Answer)
D. Rhythm method

Explanation: **Explanation:** The choice of contraception in a lactating mother is primarily governed by the effect of hormones on breast milk production and the timing of postpartum recovery. **Why Progestin-only pills (POPs) are the correct choice:** POPs (also known as the "Minipill") are considered the ideal hormonal contraceptive during the first six months of lactation. Unlike estrogen, **progestins do not suppress lactation**; in fact, some studies suggest they may slightly increase milk volume. They do not affect the quality or composition of breast milk, making them safe for the infant. **Analysis of Incorrect Options:** * **Combined Oral Contraceptive Pills (COCPs):** These contain **estrogen**, which is known to suppress milk production (hypogalactia) and reduce the duration of lactation. They also increase the risk of thromboembolism in the early postpartum period. * **Intrauterine Contraceptive Device (IUCD):** While highly effective, the risk of uterine perforation is significantly higher (up to 6–10 times) in lactating mothers due to a soft, involuting uterus and high oxytocin levels. While it can be used, POPs are often preferred as the first-line hormonal choice in the early months. * **Rhythm Method:** This is highly unreliable during lactation because ovulation often precedes the return of menstruation, making it difficult to predict fertile windows. **High-Yield NEET-PG Pearls:** * **Lactational Amenorrhea Method (LAM):** Effective only if the mother is exclusively breastfeeding, is amenorrheic, and the baby is <6 months old. * **Timing:** POPs can be started at 6 weeks postpartum in breastfeeding women (WHO MEC Category 1). * **DMPA (Injectable):** Also safe for lactating mothers but may cause irregular bleeding. * **Postpartum IUCD (PPIUCD):** Best inserted within 48 hours of delivery or after 6 weeks to minimize expulsion/perforation risks.

Question 417: A 30-year-old woman who has had one pregnancy and one live birth desires contraception for 6 months. She experiences dysmenorrhea and has a history of complicated migraine. Ultrasound reveals multiple uterine fibroids. What is the most appropriate contraceptive method for her?

A. Copper T 200 (IUD)
B. Oral contraceptive pills
C. Vaginal diaphragm (Correct Answer)
D. Tubal sterilization

Explanation: ### Explanation The correct answer is **C. Vaginal diaphragm**. **1. Why Vaginal Diaphragm is the Correct Choice:** The patient requires short-term contraception (6 months) and has several contraindications to other methods. A vaginal diaphragm is a barrier method that provides non-hormonal, temporary protection. It is ideal here because it does not interfere with her menstrual cycle or exacerbate her underlying medical conditions (migraine and fibroids). **2. Why Other Options are Incorrect:** * **Copper T 200 (IUD):** This is contraindicated because the patient has **dysmenorrhea** and **uterine fibroids**. Copper IUDs typically increase menstrual blood flow and worsen cramping. Furthermore, fibroids can distort the uterine cavity, making IUD insertion difficult or increasing the risk of expulsion. * **Oral Contraceptive Pills (OCPs):** The patient has a history of **complicated migraine** (migraine with aura). Combined OCPs are **Category 4 (Absolute Contraindication)** according to WHO Medical Eligibility Criteria due to the significantly increased risk of ischemic stroke. * **Tubal Sterilization:** This is a permanent method of contraception. The patient specifically requested contraception for only **6 months**, making surgical sterilization inappropriate. **3. Clinical Pearls for NEET-PG:** * **WHO MEC Category 4 (Absolute Contraindication) for OCPs:** Age >35 and smoking ≥15 cigarettes/day, history of DVT/PE, ischemic heart disease, stroke, and **migraine with aura**. * **Fibroids & Contraception:** Distorted uterine cavity is a Category 4 contraindication for both Copper IUDs and LNG-IUS (Mirena). * **Barrier Methods:** These are the safest options for women with multiple systemic comorbidities, though they have higher "typical use" failure rates compared to LARC (Long-Acting Reversible Contraception).

Question 418: All are true about Non-Scalpel Vasectomy (NSV) except?

A. Also known as 'keyhole vasectomy'
B. A painful procedure (Correct Answer)
C. Less invasive
D. Surgical hook is used

Explanation: **Explanation:** **Non-Scalpel Vasectomy (NSV)** is a refined technique of permanent male sterilization developed by Dr. Li Shunqiang in 1974. It is designed to minimize trauma and complications compared to the traditional incisional method. **Why Option B is the Correct Answer (The False Statement):** NSV is specifically designed to be a **painless or minimally painful** procedure. It utilizes the **"No-needle" technique** (using a MadaJet injector) or a fine-gauge needle for a periscrotal block. Because there is no large incision and minimal tissue handling, post-operative pain, edema, and hematoma formation are significantly lower than in traditional vasectomy. **Analysis of Other Options:** * **Option A (Keyhole Vasectomy):** This is a common synonym for NSV because the procedure is performed through a single, tiny puncture (approx. 2.2 mm) in the scrotum rather than a surgical incision. * **Option C (Less Invasive):** NSV is inherently less invasive as it involves no scalpels or sutures. The skin is punctured using a sharp-tipped dissecting forceps, leading to faster healing. * **Option D (Surgical Hook):** A specialized **vas-fixation clamp** (ringed) and a **vas-dissector** (curved, sharp-tipped forceps/hook) are the hallmark instruments used to deliver the vas through the puncture site. **High-Yield Clinical Pearls for NEET-PG:** * **Failure Rate:** Approximately 0.1% to 0.15%. * **Post-Op Protocol:** It is **not** immediately effective. Patients must use alternative contraception for **3 months or 20 ejaculations** until a semen analysis confirms azoospermia. * **Complications:** NSV has a 10-fold lower complication rate (infection/hematoma) than traditional methods. * **Anatomy:** The procedure involves ligating the **Vas Deferens**, which is identified by its "cord-like" feel.

Question 419: What is the duration of effectiveness for Norplant?

A. 3 years
B. 5 years (Correct Answer)
C. 7 years
D. 10 years

Explanation: **Explanation:** **Norplant** is a first-generation progestogen-only subdermal implant system. It consists of **6 silastic capsules**, each containing 36 mg of **Levonorgestrel** (total 216 mg). These capsules are implanted under the skin of the upper arm and release the hormone at a slow, steady rate. 1. **Why 5 years is correct:** The reservoir of Levonorgestrel in the 6 capsules is designed to provide highly effective contraception for a duration of **5 years**. After this period, the hormone release rate declines below the threshold required for consistent contraceptive efficacy, necessitating removal or replacement. 2. **Why other options are incorrect:** * **3 years:** This is the duration of effectiveness for **Implanon** or **Nexplanon** (single-rod implants containing Etonogestrel). * **7 years:** While some studies suggest Norplant may remain partially effective beyond 5 years in lighter-weight individuals, it is not the standard FDA-approved or clinically recommended duration. * **10 years:** This is the typical duration for the **Copper T 380A** intrauterine device (IUD), not hormonal implants. **High-Yield Clinical Pearls for NEET-PG:** * **Mechanism of Action:** Primarily thickens cervical mucus (preventing sperm penetration) and suppresses ovulation in about 50% of cycles. * **Norplant-2 (Jadelle):** A newer version consisting of only **2 rods**, also effective for **5 years**. * **Failure Rate:** Extremely low, approximately **0.05%**, making it one of the most effective reversible contraceptive methods. * **Side Effects:** Irregular menstrual bleeding (most common reason for discontinuation) and headache.

Question 420: Maximum risk of ectopic pregnancy is after reversal or failure of which of these female sterilization procedures?

A. Laparoscopic electrocoagulation (Correct Answer)
B. Laparoscopic clips
C. Laparoscopic rings
D. Pomeroys ligation

Explanation: **Explanation:** The risk of ectopic pregnancy following sterilization failure depends on the degree of tubal damage and the mechanism of recanalization. **Why Laparoscopic Electrocoagulation is correct:** Laparoscopic electrocoagulation (specifically bipolar or unipolar cautery) causes the most extensive tissue destruction and thermal damage to the fallopian tube. When this procedure fails, it often results in **fistula formation** or incomplete occlusion. These microscopic fistulae allow sperm to pass through and fertilize the ovum, but the resulting embryo is too large to traverse the scarred, narrowed lumen back to the uterus, leading to a high incidence of ectopic implantation. Statistically, if a woman becomes pregnant after electrocoagulation, there is a **~50-65% chance** that the pregnancy will be ectopic. **Analysis of Incorrect Options:** * **Laparoscopic Clips (e.g., Hulka-Clemens):** These cause the least amount of tissue damage (only ~3-5mm of the tube). While they have a higher overall failure rate (higher chance of intrauterine pregnancy), the relative risk of ectopic pregnancy is lower compared to cautery. * **Laparoscopic Rings (e.g., Falope ring):** These cause intermediate tissue destruction (~2-3 cm). The risk of ectopic pregnancy is higher than clips but lower than electrocoagulation. * **Pomeroy’s Ligation:** This is a "cut and tie" method. Failures usually occur due to spontaneous recanalization or fistula, but the anatomical disruption is generally cleaner than thermal injury, leading to a lower ectopic-to-intrauterine pregnancy ratio than cautery. **High-Yield Clinical Pearls for NEET-PG:** * **Highest Overall Failure Rate:** Spring-loaded clips. * **Lowest Overall Failure Rate:** Cautery (specifically unipolar) or postpartum sub-umbilical minilap. * **CREST Study Finding:** The risk of ectopic pregnancy is highest in women sterilized before age 30 and those who underwent bipolar coagulation. * **Gold Standard Rule:** Any woman with a history of tubal sterilization presenting with amenorrhea and abdominal pain must be evaluated for **ectopic pregnancy** until proven otherwise.

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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