Migraine with aura — DFSRH MCQ
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Correct answer: C — UKMEC 4
Migraine with aura is UKMEC 4 for CHC because of the arterial thrombotic risk. A lower oestrogen dose does not remove this contraindication. The key discriminator is aura, not the frequency of headache.
Reference: FSRH Combined Hormonal Contraception Guideline; UKMEC 2025; BNF