Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
9317214 | Contraception | 2005 | 7 Pages |
Abstract
St. John's Wort is associated with increased metabolism of norethindrone and ethinyl estradiol, breakthrough bleeding, follicle growth and ovulation. Women using OCs should be cautioned that St. John's Wort might interfere with contraceptive effectiveness.
Keywords
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Obstetrics, Gynecology and Women's Health
Authors
Patricia A. Murphy, Steven E. Kern, Frank Z. Stanczyk, Carolyn L. Westhoff,