Human Chorionic Gonadotropin (hCG) is a heterodimeric glycoprotein hormone produced and secreted by syncytiontrophoblast, which plays a central role in the establishment of pregnancy.

• 人绒毛膜促性腺激素（human chorionic gonadotropin, hCG）是由胎盘合体滋养层细胞合成和分泌的糖蛋白激素，在妊娠早期起促进胚泡发育、维持妊娠的作用。