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孕60天胎芽多少
更新时间: 2020-11-04 00:00:00  

孕60天胎芽长度是一厘米到两厘米范围,怀孕时间越长,胎芽的长度也会越长的。

胎芽是指在受精卵发育过程中,最初两周称为孕卵。以后各种器官逐渐形成,在孕8周以前的胚胎。妊娠三至妊娠第一个月四周称为胎芽期。

关键词: 多少

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