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孕囊距离宫底多少正常
更新时间: 2020-11-04 00:00:00  

一般孕卵着床在宫底比较安全,如果距离宫底超过4cm以上就比较低了。

胎囊又称孕囊,是怀孕最初胚胎的形态,随着孕周的增加可以逐渐在其中看到卵黄囊、胎芽和胎心搏动。胎囊一般呈圆形或椭圆形,位于子宫的宫底、前壁、后壁等。

关键词: 距离 多少 正常

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