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着床多少天能测出胎心胎芽

更新时间: 2020-11-04 00:00:00     

正常情况下,受精卵着床后一般得等到20天以后才能够检测出孕囊里有胎芽和胎心发育。

胎芽是胚胎在生长发育过程中必须出现的一种状态,而胎心是继胎芽之后出现的原始心管搏动。

关键词: 多少 测出

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