乙型肝炎的母婴传播常见于乙型肝炎病毒感染的高发人群,尤其是HBeAg阳性孕妇所生的新生儿几乎均患围产期乙型肝炎病毒(HBV)感染或成为乙型肝炎表面抗原(HBsAg)携带者,HBsAg携带者有发展为慢性肝病或肝细胞癌的可能,因此,预防围产期乙型肝炎病毒感染至关重要.预防措施是筛选出HBsAg阳性怀孕后期或产期孕妇,从而对其新生儿以超免γ球蛋白 Hepatitis B transmission is common in high prevalence of hepatitis B virus infection, especially in neonates born to HBeAg-positive pregnant women who are almost all infected with perinatal hepatitis B virus (HBV) or become hepatitis B surface antigen ( HBsAg carriers, HBsAg carriers have the possibility of developing chronic liver disease or hepatocellular carcinoma, therefore, prevention of perinatal hepatitis B virus infection is essential.Prevention is to screen out HBsAg-positive pregnant or postpartum pregnant women, thus To their newborns with hypergammaglobulin