What is the surface antigen of the hepatitis B virus?

Patient's question:

I am four and a half months pregnant. Yesterday, when I went for a prenatal check-up, the doctor said I had "Hepatitis B surface antigen." I asked him, "Can I have the child?" The doctor said, "It's okay, get vaccinated later, and do the 'two pairs and a half'?" What does that mean? Is there an infection? Will it affect the child? I'm so worried??

Doctor's answer:

HBsAg positivity is seen during the incubation period of acute hepatitis B, and carriers also have positive HBsAg, which is not infectious itself. In this case, it is best to undergo a two-surface test. If it coexists with HBV, it is often considered one of the markers of infectivity. If you want to have children, you can get the anesthesia vaccine early, and your child will be protected from horizontal infection. The liver disease condition is very serious, and it is recommended that patients seek timely treatment. It is hoped that patients can respond to treatment according to the doctor's advice. At the same time, pay attention to self-care, maintain a proper diet, and avoid worsening the condition.

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