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乙型肝炎是人类的大敌,其传播途径很多,通过母婴传播是其途径之一,及时采取措施,每年可能使几百万个婴儿避免感染这种病毒。对优生、优育有重要意义。 母婴传播包括:1、产前或子宫内传播,即通过胎盘或精子和卵子细胞传播,大约有5％经这种途径传播。2、围产期传播,主要发生在分娩过程中,通过母血渗入胎儿体内或通过婴儿破损的皮肤和粘膜以及经口摄入母血等传播,80％以上母婴传播发生在围产期。这种病毒在婴儿降生后的几
Hepatitis B is a human enemy with many routes of transmission. One of the ways through which mother-to-child transmission is a timely measure is to take steps to prevent millions of infants from becoming infected with the virus each year. On the eugenics, fertility is of great significance. Mother-to-child transmission includes: 1. Prenatal or intrauterine transmission, that is, through the placenta or sperm and egg cells, about 5% of which are transmitted by this route. 2, perinatal transmission, mainly occurs in the delivery process, through maternal blood infiltration into the fetus or through the baby’s damaged skin and mucous membranes and oral intake of maternal blood and other transmission, more than 80% of mother-to-child transmission occurs in the perinatal period. How many days does this virus occur after the baby is born?