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文章首先叙述了乙型病毒性肝炎母婴垂直传播的几点事实:①HBsAg(乙型肝炎表面抗原)阳性妊妇垂直传播率为20～40%。②HBeAg(乙型肝炎 e 抗原)阳性妊妇垂直传播率为80～100%。③若以妊妇有无 HEeAg 和 DNA(去氧核糖核酸)多聚酶比较,则日本妊妇带毒者垂直传播率比欧美约高10倍。目前认为 HBV(乙型肝炎病毒)母婴垂直传播的途径有:①经胎盘传播。②经羊水传播。③经产道传播。④经母乳传播。⑤经其他喂养方式传播等。
First of all, the article described the facts about vertical transmission of hepatitis B virus in mother and infant: ① The vertical transmission rate of HBsAg (hepatitis B surface antigen) positive pregnant women is 20-40%. ② HBeAg (hepatitis B e antigen) positive pregnant women vertical transmission rate of 80 to 100%. ③ If pregnant women with or without HEeAg and DNA (DNA) polymerase comparison, the Japanese pregnant women infected with vertical transmission rate about 10 times higher than in Europe and the United States. The current view that HBV (Hepatitis B virus) vertical transmission of mother and child are: ① through the placenta. ② by amniotic fluid transmission. ③ by the birth canal. ④ transmitted by breast milk. ⑤ spread by other feeding methods.