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Desogestrel missed pill — DFSRH MCQ

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ModerateProgestogen-only methodsDesogestrel missed pillDFSRH

A 23-year-old taking desogestrel 75 microgram POP usually takes it at 07:00. She forgot yesterday's tablet and took it at 22:00, then had sex without a condom overnight. She has taken no enzyme-inducing medicines. What is the most appropriate management?

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Correct answer: A — Continue POP, use condoms for 48 hours and consider EC

A desogestrel POP is late when more than 36 hours have elapsed since the previous pill, so contraceptive cover is compromised until 48 hours after restarting. Emergency contraception should be considered because intercourse occurred before efficacy was re-established. Seven days of precautions applies to some other methods but not standard desogestrel POP missed-pill advice.

Reference: FSRH Guideline Progestogen-only Pills; FSRH Emergency Contraception