Which of the following is an absolute contraindication for intrauterine contraceptive devices (IUCDs)?
Which of the following is an example of a barrier method of contraception?
With the use of DMPA contraceptive, the side effects are all of the following except:
What does the term 'CuT 200' refer to in the context of contraceptive devices?
Estrogen in the oral contraceptive pill causes all the following except:
Which of the following is not used for emergency contraception?
Which of the following is NOT a recognized method for termination of pregnancy in the first trimester?
Best method of post-coital contraception is:
What is the recommended interval for administering DMPA, an injectable contraceptive?
What is the preferred method of contraception for a female with a family history of ovarian cancer?
Explanation: ***Puerperal sepsis*** - **Puerperal sepsis** is an **absolute contraindication** for IUCD insertion as it indicates an active, severe infection of the reproductive tract. - Inserting an IUCD in this context significantly increases the risk of spreading the infection, leading to more severe systemic complications like **septicemia**. *Current sexually transmitted disease (STD)* - While a **current STD** is a contraindication for IUCD insertion, it is generally considered a **relative contraindication**. - The IUCD can be inserted once the STD has been **diagnosed and appropriately treated**, reducing the risk of pelvic inflammatory disease (PID). *Uterine anomaly* - A **uterine anomaly** (e.g., severe bicornuate uterus) can make IUCD insertion difficult or ineffective, as it may prevent proper placement or increase the risk of expulsion. - This is typically a **relative contraindication**; suitability depends on the specific anomaly and can be assessed by a healthcare provider. *No absolute contraindications exist* - This statement is incorrect because several conditions, such as **pregnancy**, **active pelvic inflammatory disease (PID)**, and **puerperal sepsis**, are recognized as **absolute contraindications** for IUCD insertion. - These conditions pose significant health risks if an IUCD is inserted.
Explanation: ***Condom*** - A **condom** acts as a physical barrier, preventing sperm from reaching the egg. - Both male and female condoms are examples of **barrier contraception**. *Hormonal contraceptive* - **Hormonal contraceptives** work by preventing ovulation, thickening cervical mucus, or altering the uterine lining, not by physically blocking sperm. - Examples include oral contraceptive pills, patches, and vaginal rings. *IUD* - An **intrauterine device (IUD)**, whether hormonal or copper, primarily prevents conception by creating an inhospitable environment for sperm or by preventing implantation. - It is a long-acting reversible contraceptive, not a barrier method. *Sterilization* - **Sterilization** (e.g., tubal ligation or vasectomy) is a permanent method of contraception that prevents the transport of eggs or sperm, respectively. - It does not involve a physical barrier to block sperm during intercourse.
Explanation: ***Change in quantity and quality of breast milk*** - **DMPA (depot medroxyprogesterone acetate)** has **no significant impact** on the quality or quantity of breast milk. It is considered safe for use in breastfeeding mothers. - Progestin-only contraceptives like DMPA do not interfere with lactation and can be used without affecting infant feeding or growth. - **WHO MEC Category 2** for breastfeeding women after 6 weeks postpartum, indicating benefits generally outweigh risks. *Weight gain* - **Weight gain** is a common side effect reported by many users of DMPA due to its hormonal effects, particularly increased appetite and fluid retention. - Studies have shown an average **weight increase of 2-5 kg** over the first year of use, with continued weight gain in long-term users. *Irregular bleeding* - **Irregular bleeding**, including spotting, prolonged bleeding, or amenorrhea, is a very common side effect, especially during the initial months of DMPA use. - This is due to the hormonal influence on the **endometrial lining**, causing unpredictable shedding. - Approximately **40-50% of users develop amenorrhea** by one year of use. *Decreased bone mineral density* - **Decreased bone mineral density (BMD)** is a well-documented side effect of DMPA, prompting an FDA black box warning. - The decrease is generally **reversible after discontinuation**, with BMD recovery occurring over 2-3 years. - This effect is due to the **hypoestrogenic state** induced by DMPA, affecting calcium metabolism and bone remodeling.
Explanation: ***200 square millimeters of copper surface area on the device*** - The "200" in **CuT 200** specifically refers to the **total surface area** of copper in square millimeters available on the intrauterine device (IUD). - This surface area is crucial as it determines the amount of copper ions released, which provide the contraceptive effect by creating a cytotoxic inflammatory reaction in the uterus. *200 millimeters of copper over the loop* - The measurement is generally of the **surface area**, not a linear dimension "over the loop." - Using millimeters in this context would inaccurately describe the amount of copper involved in contraception. *The copper concentration remains unchanged for 200 days* - The number "200" does not refer to the **duration** of effectiveness or stability of copper concentration. - The device's efficacy extends for several years, not merely 200 days. *200 square centimeters of copper surface area on the device* - A surface area of **200 square centimeters** would be a significantly larger amount of copper than typically found on an IUD. - Common copper IUDs, like the CuT 200, use **square millimeters** for their surface area measurement, not square centimeters.
Explanation: ***Carcinoma in situ cervix*** - While there is a slight increase in the risk of **cervical cancer** with long-term OCP use, it is generally related to persistent infection with **human papillomavirus (HPV)** and behavioral factors, not directly attributed to the estrogen component itself causing *carcinoma in situ*. - OCPs do not directly cause **cervical intraepithelial neoplasia (CIN)** or carcinoma in situ; the association is confounded by HPV infection duration and screening behaviors. *Breast carcinoma* - Epidemiological studies suggest a **slightly increased risk** of breast cancer in current and recent users of combined oral contraceptives (COCs), primarily due to the **estrogen component**. - This increased risk appears to **diminish over time** after discontinuation of OCCs, returning to baseline within 10 years. *Protection against endometrial carcinoma* - Combined oral contraceptives provide **significant protection** against endometrial hyperplasia and carcinoma through the **progestin component**, which opposes estrogen's proliferative effects on the endometrium. - However, in the context of **combined OCPs**, the estrogen component works synergistically with progestin; the balanced hormonal milieu provides this protective effect. - This protective effect is a well-established beneficial non-contraceptive effect of COCs, with up to **50% risk reduction** that persists for years after discontinuation. *Thromboembolism* - The **estrogen component** of oral contraceptives directly **increases the synthesis of clotting factors** (e.g., Factor VII, X, fibrinogen) and decreases anticoagulant proteins (e.g., antithrombin, protein S), leading to a procoagulant state. - This elevates the risk of **venous thromboembolism (VTE)**, including deep vein thrombosis and pulmonary embolism, especially in women with inherited thrombophilias or other risk factors.
Explanation: ***Danazol*** - **Danazol** is an attenuated androgen used primarily for the treatment of **endometriosis** and **fibrocystic breast disease**. - It works by suppressing the pituitary-ovarian axis and does not have a role in **emergency contraception**. *Mifepristone* - **Mifepristone** (RU-486) is an **anti-progestin** that can be used for emergency contraception when given within 120 hours of unprotected intercourse. - It also has a primary use for **medical abortion** when administered in higher doses early in pregnancy. *IUCD* - An **intrauterine contraceptive device (IUCD)**, specifically the copper IUCD, is considered the most effective form of emergency contraception. - It can be inserted up to **5 days** after unprotected intercourse and offers immediate, long-term contraception. *Levonorgestrel* - **Levonorgestrel** is a synthetic progestin widely used as an oral emergency contraceptive (e.g., Plan B One-Step). - It works by inhibiting or delaying **ovulation** and thickening cervical mucus. It is most effective when taken within **72 hours** of unprotected intercourse.
Explanation: ***Ethyl cyanoacrylate*** - **Ethyl cyanoacrylate** is primarily used as a **tissue adhesive** (surgical glue), not as a medical agent for terminating pregnancy. - It has no known or recognized role in medical or surgical abortion procedures. *Suction and evacuation* - **Suction and evacuation**, also known as **vacuum aspiration**, is a common and safe surgical method for first-trimester abortion. - It involves using a cannula connected to a suction device to remove the gestational sac. *Methotrexate + Misoprostol* - This combination is a recognized regimen for **medical abortion**, particularly in the early first trimester. - **Methotrexate** stops cell division, and **misoprostol** causes uterine contractions to expel the pregnancy. *Misoprostol + Mifepristone* - This is the most common and effective combination for **medical abortion** in the first trimester. - **Mifepristone** blocks progesterone, while **misoprostol** induces uterine contractions.
Explanation: ***IUCD*** - An **intrauterine contraceptive device (IUCD)** is the most effective method for **emergency contraception** when inserted within 5 days of unprotected intercourse. - It also provides highly effective **long-term contraception** once inserted. *High Estrogen pills* - While historically used, high-dose estrogen pills are **less effective** than other emergency contraceptive methods and are associated with a **higher incidence of side effects** like nausea and vomiting. - The use of high-estrogen pills alone for emergency contraception is **no longer recommended** as a primary option due to better alternatives. *Androgens* - **Androgens** are male hormones and have **no role** in contraception, whether emergency or sustained. - Administering androgens in females would lead to **virilization side effects** and offer no contraceptive benefit. *Levonorgestrel pills* - **Levonorgestrel pills (Plan B)** are a common and effective form of emergency contraception, but they are **less effective** than an IUCD, especially if administered closer to ovulation or later within the 5-day window. - Their efficacy **decreases with time** after unprotected intercourse, whereas an IUCD maintains high effectiveness for up to 5 days.
Explanation: ***Three months*** - **Depot medroxyprogesterone acetate (DMPA)** is a long-acting reversible injectable contraceptive containing 150 mg of medroxyprogesterone acetate. - The standard administration schedule is **every 12 weeks (3 months)**, with a grace period allowing administration up to 13-15 weeks to maintain contraceptive effectiveness. - DMPA works by **suppressing ovulation** through sustained progestogen levels, and the 3-month interval is based on its pharmacokinetics to maintain therapeutic levels. *Three weeks* - A three-week interval is typical for **combined oral contraceptive pill packs** (21 active pills followed by 7-day break), not for DMPA. - Administering DMPA at this frequency would lead to **excessive progestogen exposure** and unnecessary side effects, as the injection maintains contraceptive levels for 12-13 weeks. *Two months* - While a two-month interval provides longer protection than oral contraceptives, it is **not the standard recommended interval** for DMPA. - This interval would result in **premature readministration** before the previous dose's effect wanes, leading to unnecessary injections and potential side effects. *Two years* - A two-year interval is far too long for DMPA, which has a **duration of action of approximately 12-14 weeks** per injection. - Such an interval would result in **complete loss of contraceptive protection** within 3-4 months, with return of ovulation and risk of unintended pregnancy.
Explanation: ***Combined oral contraceptive pills (OCP)*** - **OCPs** have been shown to significantly **reduce the risk of ovarian cancer by 30-50%**, with the protective effect increasing with duration of use. - This protection is attributed to **suppression of ovulation**, reducing repetitive ovulation-related epithelial damage and inflammation that contributes to ovarian cancer development. - The benefit **persists for years after discontinuation** and is particularly important for individuals with a family history of ovarian cancer, as it addresses a key modifiable risk factor. - **First-line recommendation** for contraception in women with family history of ovarian cancer. *Progestin-only pills (POP)* - While **POPs** are effective contraceptives and generally safe, they do **not offer the same well-established protective effect against ovarian cancer** as combined hormonal contraceptives. - Their primary mechanism is through thickening cervical mucus and suppressing ovulation, without the estrogen component. - Evidence for ovarian cancer protection is limited compared to combined OCPs. *Copper intrauterine device (Cu IUCD)* - The **Cu IUCD** provides highly effective contraception by creating a local inflammatory response in the uterus that is spermicidal. - It is a **non-hormonal method** and therefore does not impact the risk of ovarian cancer. - Excellent contraceptive option for other indications, but not specifically protective against ovarian cancer. *Condoms* - **Condoms** primarily prevent pregnancy by blocking sperm from reaching the egg and are effective in preventing sexually transmitted infections. - They are a **barrier method** and provide no hormonal protection against ovarian cancer. - Useful for STI prevention but not relevant to ovarian cancer risk reduction.
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