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hcg多少周开始稳定
更新时间: 2020-11-04 00:00:00  

大约18~20周的时候,hc才会稳定下来,这个时候hc的含量仅仅是高峰期的10%,之后hcg会一直在女性的孕期内维持这个水平直到生产。

hcg即人绒毛膜促性腺激素。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。人绒毛膜促性腺激素(HCG)αβ,由合体滋养细胞合成。

关键词: hcg 多少 开始 稳定

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