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病毒性乙型肝炎(乙肝)是严重危害人类健康的传染病。我国属于世界上乙肝高发地区,男性阳性率为10.3％,女性7.3％。并且有明显的家庭聚集现象。而母亲乙肝表面抗原(HBsAg)阳性对子女影响最大,母亲HBsAg阳性者,其中50％的子女也阳性;母亲HBsAg阴性者,子女中HBsAg阳性者仅占9.97％。母亲通过垂直传播和母婴传播(产后母体对婴儿的感染),使小儿感染乙型肝炎病毒(HBV)。垂直感染包括宫内各种感染(生殖细胞、胎盘、脐血和异物吸入)和产程某些感染(产道接触、分娩损伤)。为
Viral hepatitis B (hepatitis B) is a serious infectious disease of human health. My country belongs to the high incidence of hepatitis B in the world, with a positive rate of 10.3% in males and 7.3% in females. And there is a clear phenomenon of family aggregation. The mother of hepatitis B surface antigen (HBsAg) positive children the greatest impact, the mother of HBsAg positive, of which 50% of the children also positive; mother HBsAg negative, children HBsAg positive accounted for only 9.97%. The mother infect the child with hepatitis B virus (HBV) through vertical transmission and mother-to-child transmission (postpartum mother to infant infection). Vertical infections include intrauterine infections (germ cells, placenta, umbilical cord blood and foreign body injections) and certain infections during labor (birth canal contact, labor injury). for