LNG-IUD and current breast cancer — DFSRH MCQ

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ModerateUKMECLNG-IUD and current breast cancerDFSRH

A 42-year-old woman with newly diagnosed breast cancer asks for a 52 mg LNG-IUD because she has heavy bleeding. What is the UKMEC category for LNG-IUD use?

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Correct answer: D — UKMEC 4

Current breast cancer is UKMEC 4 for hormonal contraception including LNG-IUD. Local uterine delivery does not make it category 1. Non-hormonal contraception and specialist gynaecology input for bleeding should be considered.

Reference: UK Medical Eligibility Criteria for Contraceptive Use (UKMEC) 2025; FSRH Clinical Guidelines