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    Early detection

    The Centers for Disease Control and Prevention (CDC) recommends that all pregnant women have the hepatitis B surface antigen test. The test can show if a woman has a current hepatitis B infection. This test also may be repeated later in the pregnancy if a woman is at high risk for infection.

    You can be tested for hepatitis B before getting vaccinated.

    • Antibody testing will show if you have an active hepatitis B infection and need treatment.
    • If testing shows that you are already protected against hepatitis B, you won't need to get the hepatitis B vaccine(What is a PDF document?).
    • It's not harmful to get the vaccine even if you already have antibodies against the virus in your blood.

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    WebMD Medical Reference from Healthwise

    Last Updated: June 04, 2014
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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