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怀孕多少天用试纸能测出来
更新时间: 2020-11-05 00:00:00  

怀孕6-7天用试纸能测出来。试纸检测怀孕是通过检测小便中的HCG浓度。也就是人绒毛膜促性腺激素的浓度来判断是否怀孕。这种激素是在受精卵着床后孕妇体内才开始逐渐分泌的,而从受精到受精卵着床的时间大概是6-7天。

关键词: 怀孕 多少 试纸 出来

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