Respuesta :
It is made by cells formed in the placenta, which nourishes the egg after it has been fertilized and becomes attached to the uterine wall.
Human Chorionic Gonadotropin The Pregnancy Hormone. The hormone human chorionic gonadotropin (better known as hCG) is produced during pregnancy. It is made by cells formed in the placenta, which nourishes the egg after it has been fertilized and becomes attached to the uterine wall.