Chorionic gonadotropin human CAS NO.9002-61-3

Chorionic gonadotropin, called HCG, is raised after pregnancy and is secreted by the fetus' placental trophoblast cells. The main role of human chorionic gonadotropin has the following aspects: 1, human chorionic gonadotropin can further develop the luteum, from the menstrual period to the pregnancy period. 2, human chorionic gonadotropin can improve the level of estrogen in the body after pregnancy, improve the level of progesterone in the body. 3, human chorionic gonadotropin can play a role in protecting embryonic tissue from being recognized by the mother's immune system, so as to attack or engulf the embryo. 4, human chorionic gonadotropin has a similar effect with luteinizing hormone, can make the fetal testosterone secretion, sexual differentiation, promote the development of secondary sexual characteristics.

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