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五周hcg正常是多少

更新时间: 2020-11-04 00:00:00     

怀孕5周HCG正常值应该大于100U/L。正常妊娠的受精卵着床时,受精卵滋养细胞就会形成,开始产生HCG,大约在受精1天以后,孕妇的外周血中就可以检测到HCG,然后呈倍增的状态进行上升;在排卵后14天,也就是怀孕1个月左右的时间,HCG达到100U/L;在怀孕的8-10周HCG上升达到峰值,以后会出现下降的情况。所以很多孕妇的早孕反应在前3个月出现,怀孕3个月以后,妊娠反应会减轻,考虑和HCG改变有关系。

关键词: hcg 正常 多少

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