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采用聚合酶链式反应（ＰＣＲ）方法，对７０例妊娠晚期妇女的外周血、宫颈分泌物及其新生儿脐静脉血，进行人乳头瘤病毒（ＨＰＶ）的检测。结果：孕妇外周血、宫颈分泌物及新生儿脐静脉血中ＨＰＶ的阳性率分别为１４．２９％、３０．００％和８．５７％，提示：ＨＰＶ可在产前经胎盘传播给胎儿，剖宫产分娩不能阻断母婴ＨＰＶ感染的宫内传播。
Polymerase chain reaction (PCR) was used to detect human papillomavirus (HPV) in peripheral blood of 70 pregnant women, cervical secretions and umbilical cord blood of their newborns. Results: The positive rate of HPV in peripheral blood of pregnant women, cervical secretions and neonatal umbilical blood was 14.29%, 30.00% and 8.57%, respectively, suggesting that HPV could be transmitted to the fetus through the placenta during prenatal period, Cesarean delivery can not block intrauterine transmission of maternal and infant HPV infection.