Abstract
Hepatitis B in pregnancy must include diagnosis and management of the pregnant woman as well as modalities to decrease mother to child transmission (MTCT). MTCT remains the most important mode of hepatitis B virus (HBV) transmission, although effective strategies exist to reduce this risk. Universal screening for HBV can identify women with previously unrecognized infection and allow for targeted therapy to prevent MTCT. All children of HBV-infected mothers should receive passive active immunoprophylaxis with hepatitis B immune globulin (HBIG) and HBV vaccination within 12 h of birth. With such measures, the risk of transmission can be decreased to less than 1 % in women with low viral loads. Immunoprophylaxis failures occur in as many as 15 % of children born to mothers with high viral loads at the time of delivery (>6 log copies/ml or >200,000 IU/ml), and therefore, additional treatment in the third trimester is warranted in this group. Antiviral therapy with lamivudine, tenofovir, or telbivudine in the third trimester can decrease MTCT to less than 5 % and should be used in women with high viral loads in the third trimester. Postpartum flares of liver disease are common, and therefore, careful monitoring is warranted in women who stop therapy. The decision to breastfeed while on antiviral therapy should be individualized, but current evidence suggests that it is safe.
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Erin Kelly declares no conflict of interest. Marion Peters reports honoraria from J&J, Biotron, Merck, Roche, and Genentech Research and Development.
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Kelly, E., Peters, M.G. Management of HBV in Pregnancy. Curr Hepatology Rep 14, 145–152 (2015). https://doi.org/10.1007/s11901-015-0266-6
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DOI: https://doi.org/10.1007/s11901-015-0266-6