天气预报 > 其他 > 怀孕75天hcg正常值是多少
怀孕75天hcg正常值是多少
更新时间: 2020-11-05 00:00:00  

怀孕75天hcg正常值100-200ng/ml。人绒毛膜促性腺激素(HCG)αβ,由合体滋养细胞合成。人绒毛膜促性腺激素是由胎盘的滋养层细胞分泌的一种糖蛋白,是由α和β二聚体的糖蛋白组成的。

关键词: 怀孕 hcg 正常值 多少

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