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绒毛膜促性腺激素(简称HCG)是孕卵着床后合体滋养层细胞分泌的一种糖蛋白激素,可作为胎盘功能的指标。根据尿中排出的HCG来诊断妊娠及滋养叶细胞肿瘤已有50多年历史,但灵敏度不高。1966年,国外开始采用放射免疫法测HCG,我国于1973年采用本法,经不断改进,灵敏度大为提高,目前,已大量运用于诊断早孕、绒癌、葡萄胎,或作计划生育研究测定等。
Chorionic gonadotropin (referred to as HCG) is a glycoprotein hormone secreted by syncytiotrophoblasts after the implantation of the ovum and can be used as an indicator of placental function. HCG according to the urine discharged to diagnose pregnancy and trophoblastic tumor has more than 50 years of history, but the sensitivity is not high. In 1966, foreign countries began to use radioimmunoassay to measure HCG. Our country adopted this law in 1973, which has been greatly improved in sensitivity and sensitivity. At present, it has been widely used in the diagnosis of early pregnancy, choriocarcinoma and hydatidiform mole, or for family planning research Wait.