Necon 1/50
Necon 1/50 Uses, Dosage, Side Effects, Food Interaction and all others data.
The 3-methyl ether of ethinyl estradiol. It must be demethylated to be biologically active. It is used as the estrogen component of many combination ORAL contraceptives.
| Trade Name | Necon 1/50 |
| Generic | Norethindrone + mestranol |
| Type | Tablets |
| Therapeutic Class | |
| Manufacturer | |
| Available Country | United States |
| Last Updated: | September 19, 2023 at 7:00 am |
Uses
Mestranol is a synthetic estradiol found in oral contraceptive pills for contraception and the treatment of other conditions in the female reproductive system, such as dysmenorrhea and dysfunctional uterine bleeding.
Mestranol was used as one of the first oral contraceptives.
Necon 1/50 is also used to associated treatment for these conditions: Abnormal Uterine Bleeding, Endometriosis, Hypermenorrhea, Menstrual Distress (Dysmenorrhea), Polycystic Ovarian Syndrome, Oral Contraceptives
How Necon 1/50 works
Mestranol is the 3-methyl ether of ethinylestradiol. Ethinylestradiol, is a synthetic derivative of estradiol. Ethinylestradiol is orally bio-active and the estrogen used in almost all modern formulations of combined oral contraceptive pills. It binds to (and activates) the estrogen receptor. Mestranol is a biologically inactive prodrug of ethinylestradiol to which it is demethylated in the liver with a conversion efficiency of 70%.
Estrogens diffuse into their target cells and interact with a protein receptor. Target cells include the female reproductive tract, the mammary gland, the hypothalamus, and the pituitary. Estrogens increase the hepatic synthesis of sex hormone binding globulin (SHBG), thyroid-binding globulin (TBG), and other serum proteins and suppress follicle-stimulating hormone (FSH) from the anterior pituitary. The combination of an estrogen with a progestin suppresses the hypothalamic-pituitary system, decreasing the secretion of gonadotropin-releasing hormone (GnRH).
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