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IUD with unexplained bleeding — DFSRH MCQ

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HardIntrauterine contraceptionIUD with unexplained bleedingDFSRH

A 45-year-old LNG-IUD user has new intermenstrual bleeding after years of amenorrhoea. She has BMI 36 kg/m2 and a normal pregnancy test. What is the most appropriate investigation?

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

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Correct answer: AAssess cervix and refer for endometrial evaluation according to abnormal bleeding pathway

New bleeding after established amenorrhoea requires assessment for cervical and endometrial pathology, especially with obesity. Method side-effect is possible but should not be assumed. Contraceptive reviews can reveal important gynaecological disease.

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