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Copper IUD side-effects — DFSRH MCQ

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EasyIntrauterine contraceptionCopper IUD side-effectsDFSRH

A 36-year-old woman with heavy painful periods asks for a copper IUD because she wants non-hormonal contraception. Haemoglobin is low-normal and examination is unremarkable. What would you advise this patient?

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

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Correct answer: C — Discuss that copper IUD may worsen bleeding and pain

Copper IUDs can increase menstrual bleeding and dysmenorrhoea. It may still be chosen after counselling, but a 52 mg LNG-IUD may better fit heavy bleeding. The answer should support informed choice rather than deny access.

Reference: FSRH Intrauterine Contraception Guideline 2023; UKMEC 2025; BNF