28-year-old Pregnant in Medicine / Internal Medicine — Case | Infectious Diseases | SMLE Q#453
SMLE Question #453
Medicine / Internal Medicine
Infectious Diseases
Last updated: February 2026
A 28-year-old pregnant woman at 32 weeks’ gestation attends routine antenatal care. Screening shows hepatitis B surface antigen (HBsAg) positivity. She is asymptomatic and prior liver function tests were normal. She asks which additional test result best predicts the risk of transmitting hepatitis B to her newborn at delivery. Which test result best predicts vertical transmission risk?
Continue in practice mode
Sign in and start a focused practice session to view options, submit your answer, and read the full explanation.