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脐带附着异常主要有边缘性附着和帆状附着,分述如下.边缘性附着:脐血管附着在胎盘组织的边缘似球拍形或扇形,故称为球拍状或扇状胎盘.此种脐血管周围有华通氏胶保护,不易受压或破裂,一般不影响胎儿血液循环,往往不产生任何症状,多在分娩后检查胎盘时才发现.其临床发现率悬殊性较大,国内报道为1.9%～15%.帆状胎盘:脐带附着于胎膜上,脐带血管象船帆的缆绳分布于胎膜中,通过羊膜与绒毛膜之间再延伸入胎盘,称脐带帆状附着或帆状胎盘.据Discoll估计每2000～3000次分娩中可遇到1例.我院统计
Umbilical cord attachment abnormalities are mainly marginally attached and sail-like attachment, are described below. Marginal attachment: umbilical cord attached to the edge of the placenta tissue like racket or fan-shaped, so called racket-like or fan-shaped placenta around such umbilical cord Huatong gum protection, not easy to pressure or rupture, generally does not affect the fetal blood circulation, often do not have any symptoms, and more in the placenta after delivery was found only when its clinical findings were significantly different, the domestic coverage of 1.9% 15%. Sail placenta: umbilical cord attached to the fetal membranes, umbilical cord vessels like sails distributed in the fetal membranes of the cable, through the amnion and chorion between the extension into the placenta, said the umbilical cord-like attachment or sail-like placenta.According to Discoll estimated every 2000 to 3000 childbirth can be encountered in 1 case of our hospital statistics