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(norethindrone and ethinyl estradiol) Tablets, USP

Patients should be counseled that this product does not protect against HIV-infection (AIDS) and other sexually transmitted diseases.


OVCON® 50, 28-Day (norethindrone and ethinyl estradiol tablets, USP) provides a continuous regimen for oral contraception derived from 21 tablets composed of norethindrone and ethinyl estradiol to be followed by 7 green tablets of inert ingredients. The chemical name for norethindrone is 17-hydroxy-19-nor-17αpregn-4-en-20-yn-3-one and for ethinyl estradiol the chemical name is 19-nor-17α-pregna-1,3,5(10)-trien20-yne-3,17-diol. The structural formulas are:

OVCON®50 (Norethindrone and Ethinyl Estradiol) Structural Formula Illustration

The active OVCON (norethindrone and ethinyl estradiol tablets) 50 tablets contain 1 mg norethindrone and 0.05 mg ethinyl estradiol.

OVCON (norethindrone and ethinyl estradiol tablets) ® 50, 28-Day contains the following inactive ingredients: dibasic calcium phosphate, D&C Yellow No. 10 (aluminum lake), FD&C Blue No. 1 (aluminum lake), FD&C Yellow No. 6 (aluminum lake), lactose, magnesium stearate, povidone, sodium starch glycolate, starch (corn), and talc.

Last reviewed on RxList: 8/7/2008
This monograph has been modified to include the generic and brand name in many instances.

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