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Preeclampsia prevention — USMLE Step 3 MCQ

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ModerateOB/GYN (prenatal care, contraception, screening)Preeclampsia preventionUSMLE Step 3

A 29-year-old G1P0 woman at 10 weeks' gestation has chronic hypertension and prior renal disease. Blood pressure is 138/86 mm Hg. She asks how to reduce preeclampsia risk. Which of the following is the most appropriate next step in management?

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

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Correct answer: A — Start low-dose aspirin at 12 weeks' gestation

Patients at high risk for preeclampsia should receive low-dose aspirin beginning between 12 and 28 weeks, optimally before 16 weeks.

Reference: ACOG clinical guidance; USPSTF pregnancy-related recommendations