Contraception · NEET PG Preparation Obstetrics & Gynaecology
Which of the following emergency contraceptives can be effectively used up to 120 hours (5 days) following unprotected intercourse?
Practice question from Contraception (NEET PG Preparation Obstetrics & Gynaecology), with the correct answer and a step-by-step solution.
medium · MCQ · Q-23E24D
Which of the following emergency contraceptives can be effectively used up to 120 hours (5 days) following unprotected intercourse?
- A.Levonorgestrel 1.5 mg single dose
- B.Ulipristal acetate 30 mg single doseCorrect answer
- C.Yuzpe regimen (Ethinyl estradiol + Levonorgestrel)
- D.High-dose conjugated equine estrogens
Solution
Ulipristal acetate (UPA) is a selective progesterone receptor modulator (SPRM) that remains effective as emergency contraception up to 120 hours (5 days) post-intercourse with minimal loss of efficacy over that window. Levonorgestrel is FDA-approved up to 72 hours (though some efficacy extends to 120 hours, it drops significantly after 3 days). The copper-T intrauterine device is also effective up to 120 hours.
More from Contraception
- A 28-year-old postpartum woman who is exclusively breastfeeding her 6-week-old infant wishes to start hormonal contraception. She has no si…
- According to the US Medical Eligibility Criteria (US MEC) for Contraceptive Use, a patient with active deep vein thrombosis (DVT) on antico…
- A 32-year-old multiparous woman requests long-acting reversible contraception. She has a history of heavy menstrual bleeding and dysmenorrh…
- Which of the following is the primary mechanism of action of the Copper-T 380A intrauterine device?
Practise more Obstetrics & Gynaecology
Sign up free for adaptive practice on this chapter, with instant feedback and hints on every question.
Start practising freeFree to start · No credit card needed