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Emergency contraception — USMLE Step 3 MCQ

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ModerateOB/GYN (prenatal care, contraception, screening)Emergency contraceptionUSMLE Step 3

A 19-year-old woman had unprotected intercourse 3 days ago. Her last menstrual period was 2 weeks ago and cycles are regular. Urine pregnancy test is negative. She wants the most effective emergency contraception and is also interested in ongoing contraception. Which of the following is the most appropriate next step in management?

Educational content. Not a substitute for clinical judgement or local policy.

Reveal the answer and explanation

Correct answer: E — Place a copper intrauterine device

A copper IUD is the most effective emergency contraception within 5 days and provides ongoing contraception.

Reference: ACOG Emergency Contraception Practice Bulletin