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胎儿多少天能长出胎芽
更新时间： 2020-11-04 00:00:00  

一般来说，孕35天可检测到孕囊和卵黄囊，胚芽在孕40~50天形成，胎心在孕50~60天出现。若平时月经延迟，则可能排卵滞后，那么卵黄囊、胚芽和胎心出现的时间也会相应延后。

关键词： 胎儿 多少

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