Xi'an Frazer Biotech Co., Ltd.

Describe

Norethindrone, a derivative of 19-demethyltestosterone, is an oral progesterone. Its progesterone activity is 4 times that of alkyne progesterone, estrogen and androgen activity of this product is weak. It can inhibit the secretion of LHRH in the hypothalamus, and reduce the body's sensitivity to LHRH by stimulating Chemicalbook in the anterior pituitary, so as to block the release of gonadotropin and produce the effect of ovulation inhibition. The serum concentration can reach its peak after 0.5 to 4 hours of oral administration, and the half-life is 5 to 14 hours. Most of the metabolites are excreted from the body through the kidney.
 

Function

Norethinnes, a derivative of 19-demethyltestosterone, is a strong oral progesterone with mild androgenic and estrogenic activity. It can block gonadotropin release Chemicalbook release, inhibit ovulation, and maintain pregnancy weakly. For oral contraception, functional uterine bleeding, endometriosis, female infertility, dyspenorrhea, amenorrhea, etc.

Norethindrone COA:

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