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怀孕多少天可以照b超
更新时间: 2020-11-05 00:00:00  

38-40天。B超下可以看到孕囊,提示宫内妊娠,排除宫外孕。到怀孕五十多天做B超可以在宫腔内看到胎芽和胎心。随着妊娠的发展,如果是到了怀孕63天仍然看不到胎芽胎心,那么就提示胚胎停止发育。

关键词: 怀孕 多少 可以

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