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Pregnancy with IUD in situ — DFSRH MCQ

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HardIntrauterine methodsPregnancy with IUD in situDFSRH

A Cu-IUD user has a positive pregnancy test, 6 weeks’ amenorrhoea, unilateral pelvic pain and non-visible threads. She is haemodynamically stable. Which investigation is most appropriate now?

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

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Correct answer: A — Transvaginal ultrasound with assessment for ectopic pregnancy

Pregnancy with an IUD in situ and unilateral pain requires prompt assessment of pregnancy location. Transvaginal ultrasound is central to the ectopic-pregnancy pathway; serum hCG may support assessment but is not a substitute for appropriate imaging and clinical review.

Reference: NICE NG126, Ectopic pregnancy and miscarriage: https://www.nice.org.uk/guidance/ng126