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Asymptomatic bacteriuria in pregnancy — USMLE Step 3 MCQ

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EasyOB/GYN (prenatal care, contraception, screening)Asymptomatic bacteriuria in pregnancyUSMLE Step 3

A 24-year-old woman at 12 weeks' gestation has routine urine culture showing 100,000 CFU/mL E coli. She has no dysuria, fever, or flank pain. She has no drug allergies. Which of the following is the most appropriate next step in management?

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Correct answer: C — Treat with a pregnancy-appropriate oral antibiotic and document clearance

Asymptomatic bacteriuria in pregnancy is treated to reduce pyelonephritis and adverse pregnancy outcomes.

Reference: ACOG urinary tract infections in pregnancy guidance