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Perimenopause LNG-IUD duration — DFSRH MCQ

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ModerateContraception in special circumstancesPerimenopause LNG-IUD durationDFSRH

A 46-year-old woman has a 52 mg levonorgestrel IUD inserted for contraception and heavy menstrual bleeding. She asks how long it can be relied on for contraception if there are no complications. What would you advise this patient?

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Correct answer: E — It can be used for contraception until age 55 when inserted at age 45 or older

FSRH guidance supports extended contraceptive use of a 52 mg LNG-IUD inserted from age 45 until age 55. HMB licensing and endometrial protection indications can differ from contraceptive duration, so the reason for use matters. It is not an EC method, and routine annual ultrasound is not needed when there are no clinical concerns. The pearl is to separate contraceptive duration from HRT endometrial protection rules.

Reference: FSRH Guideline: Intrauterine Contraception; FSRH Guideline: Contraception for Women Aged Over 40 Years