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为研究我市乙型肝炎的母婴传播情况,在各城区防疫站以及有关医院协助下,我们选择城区常住户口的母婴进行观察,现报告如下: 对象和方法对象的选择对本市各医院预产期在1979年11月到1980年3月的孕妇,检测HBsAg、抗-HBs。并对其中HBsAg阳性,SGPT正常的无症状者在本市医院分娩的孕妇及其所娩儿作为观察对象。在其分娩时采脐血、羊水、婴儿口腔分泌物检测HBsAg。婴儿生后1～3天、42天、6个月、1周岁、2周岁、3周岁和产妇产后42天时各采微量末梢血检测HBsAg和抗-HBs。检测方法HBsAg用RPHA法,抗-HBs
In order to study the mother-to-child transmission of hepatitis B in our city, with the help of the urban epidemic prevention stations and relevant hospitals, we choose to observe the mother-infant of urban resident households. The report is as follows: Object and Method Selection of Subjects Pregnant women between November 1979 and March 1980 tested for HBsAg and anti-HBs. And the HBsAg-positive, SGPT normal asymptomatic in the city hospital delivery of pregnant women and their children as observed. Umbilical cord blood, amniotic fluid, and infant oral secretions were tested for HBsAg at delivery. HBsAg and anti-HBs were detected in minipresent blood from 1 to 3 days, 42 days, 6 months, 1 year, 2 years, 3 years and 42 days postpartum. Detection methods HBsAg RPHA method, anti-HBs