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Asymptomatic bacteriuria in pregnancy — ABFM Board MCQ

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HardWomen's health/OB/GYNAsymptomatic bacteriuria in pregnancyABFM Board

A 34-year-old woman at 10 weeks' gestation has urinary frequency but no dysuria, fever, or flank pain. Urine culture grows 100,000 CFU/mL Escherichia coli. Which of the following is the most appropriate initial treatment?

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Correct answer: C — Nitrofurantoin or cephalexin based on susceptibility

Asymptomatic bacteriuria in pregnancy should be treated to reduce pyelonephritis and adverse pregnancy outcomes. Nitrofurantoin or beta-lactams are common choices depending on gestational age, susceptibility, and contraindications.

Reference: ACOG Urinary Tract Infections in Pregnant Individuals Clinical Consensus