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怀孕b超检查孕囊多少天
更新时间: 2020-11-04 00:00:00  

一般月经规律,周期28天到30天的女性,40天可以看到孕囊,49天左右可以测到胎心血管搏动。

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: 怀孕 检查 多少

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