Long Acting Chorionic gonadotrophin

Chorionic gonadotrophin is a dry preparation of placental glycoproteins which have luteinizing activity. It is extracted from the urine of pregnant women. The potency is not less than 4500 IU/mg.
【Pharmacological properties】The product has intrinsic FSH and LH-like activity. In female animals, hCG stimulates formation of corpus luteum hormone and induce ovulation of the dominant follicles, no effect on immature follicles. In the male, hCG stimulates formation of testosterone, thus influencing the development and maintenance of primary and secondary male sexual characteristics, for the anatomically normal animals, hCG can causes testicular descent in animals with cryptorchidism. The half-life is five times longer.