商道 来源:互联网 时间:2023-06-03 12:50:39
(资料图片)
1、如果胎盘附着于子宫下段或覆盖在子宫颈内口处,位置低于胎儿的先露部,称为前置胎盘。
2、前置胎盘是妊娠晚期出血的主要原因之一,为妊娠期的严重并发症。
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