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研究表明在我国HBV感染的传播主要发生于产期和产后，而宫内垂直传播的发生率约5—15％。本文采用聚合酶链反应（PCR）检测外周血中的乙型肝炎病毒核酸（HBVDNA），探讨了孕妇分娩时HBV感染状态与新生儿宫内感染间的关系。材料和方法选择本市数家综合医院产科1997年8－11月间产
Studies have shown that in our country the spread of HBV infection occurs mainly in the delivery and postpartum, and the incidence of intrauterine vertical transmission of about 5-15%. In this paper, polymerase chain reaction (PCR) detection of hepatitis B virus DNA in peripheral blood (HBVDNA), explore the relationship between HBV infection status and neonatal intrauterine infection in pregnant women during childbirth. Materials and Methods Choosing several obstetrics and gynecology departments of the city from August to November 1997