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孕晚期见红血量多少正常
更新时间: 2020-11-04 00:00:00  

孕晚期见红血量比生理期出血量少为正常。孕晚期见红是分娩即将开始的一个可靠征象。孕晚期出血量明显比生理期的出血量少。在分娩前24-48小时内,子宫颈口开始活动,使子宫颈口附近的胎膜与该处的子宫壁分离,毛细管破裂而经阴道排出少量血,并与宫颈管内的粘液相混而排出,这种阴道流出的血性粘液便是孕晚期见红。

关键词: 晚期 多少 正常

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