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人绒毛膜促性腺激素 (humanchorionicgonadotropin ,HCG)是妊娠时正常胎盘滋养层细胞产生的一种激素糖蛋白。它还可由葡萄胎和绒毛膜癌 (滋养层细胞病 )以及生殖细胞肿瘤 (睾丸绒毛膜癌、胎盘位肿瘤和卵巢生殖细胞肿瘤 )和其他恶性肿瘤产生。少量的HCG还可由垂体腺产生。HCG由
Human chorionic gonadotropin (HCG) is a hormone glycoprotein produced by normal placental trophoblast cells during pregnancy. It is also produced by hydatidiform mole and choriocarcinoma (trophoblastic disease) as well as germ cell tumors (testicular choriocarcinoma, placenta tumor and ovarian germ cell tumor) and other malignancies. Small amounts of HCG can also be produced by the pituitary gland. HCG by