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Cu-IUD EC timing — DFSRH MCQ

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EasyEmergency contraceptionCu-IUD EC timingDFSRH

A 27-year-old woman had unprotected sex 4 days ago. Her cycles are regular and she is on day 13 today. She wants the most effective option and accepts intrauterine contraception. What is the most appropriate contraceptive method?

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

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Correct answer: C — Copper IUD

The copper IUD is the most effective EC and is appropriate within 5 days of UPSI or up to 5 days after earliest likely ovulation. Ulipristal is the most effective oral EC, but less effective than Cu-IUD. EC visits should include ongoing contraception discussion.

Reference: FSRH Emergency Contraception Guideline 2017 amended 2023; FSRH UPA breastfeeding statement 2025; BNF