Human chorionic gonadotropin (hCG) is a heterodimeric glycoprotein hormone produced and secreted by syncytial trophoblast, which plays a central role in the establishment of pregnancy.

• 人绒毛膜促性腺激素（human chorionic gonadotropin，hCG）是由胎盘滋养层合体细胞合成和分泌的一种糖蛋白激素，在早期妊娠中起促进胚泡发育、维持妊娠的作用。