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孕十六周hcg多少正常值是多少

更新时间: 2020-11-04 00:00:00     

孕16周hcg正常值18300到137000之间。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αβ,由合体滋养细胞合成。分子量为36700的糖蛋白激素,α亚基与垂体分泌的FSH、LH和TSH等基本相似,故相互间能发生交叉反应,而β亚基的结构各不相似。

关键词: hcg 多少 正常值

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