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实践证明,如孕妇是乙型肝炎病毒携带者,或母亲在妊娠后六个月曾感染过乙型肝炎,则新生儿就有可能感染上乙型肝炎的危险。在西德,孕妇的乙型肝炎表面抗原(HBsAg)阳性率一般在0.3％—1.7％。因此,在妊娠后四周,要做乙型肝炎标志物检查,如检查出孕妇是乙型肝炎病毒携带者,则于分娩后,必须给新生儿采用乙型肝炎疫苗进行致疫。乙型肝炎疫苗是一种无菌的,无传染性的乙型肝炎病毒表面抗原,此抗原是从乙型肝炎病毒携带者的血浆中提取,这种疫苗可以使抗体产生自动免疫,以抵抗乙型肝灰病毒。临床检查表明,乙型肝炎疫苗在
Practice shows that if the pregnant woman is a carrier of hepatitis B virus or her mother has been infected with hepatitis B six months after pregnancy, the newborn may be at risk of hepatitis B. In West Germany, the positive rate of hepatitis B surface antigen (HBsAg) in pregnant women is generally 0.3% -1.7%. Therefore, in the four weeks after pregnancy, hepatitis B markers to be checked, such as checking out that pregnant women are carriers of hepatitis B, after delivery, must be given to newborns with hepatitis B vaccine. Hepatitis B vaccine is a sterile, non-infectious hepatitis B virus surface antigen, this antigen is extracted from the plasma of hepatitis B virus carriers, this vaccine can make the antibody auto-immune to resist B Hepatitis C virus. Clinical tests show that hepatitis B vaccine is in progress