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ASB pregnancy — USMLE Step 3 MCQ

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ModerateOB/GYN (Prenatal / Contraception / Screening)ASB pregnancyUSMLE Step 3

A 27-year-old gravida 1 para 0 at 10 weeks has routine urine culture growing 100,000 CFU/mL of E coli. She has no dysuria, fever, frequency, 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: ETreat with a pregnancy-appropriate antibiotic

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

Reference: IDSA asymptomatic bacteriuria guideline, https://www.idsociety.org/practice-guideline/asymptomatic-bacteriuria/