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Contraceptive Vaginal Ring

MADDEN, TESSA MD, MPH*; BLUMENTHAL, PAUL MD, MPH

Clinical Obstetrics & Gynecology: December 2007 - Volume 50 - Issue 4 - pp 878-885
doi: 10.1097/GRF.0b013e318159c07e
Hormonal Contraception

The vaginal contraceptive ring is comprised of ethinyl vinyl acetate that releases ethinyl estradiol and the third-generation progestin, etonorgestrel. It was approved by the Food and Drug Administration in 2001. The vaginal contraceptive ring is highly efficacious with a Pearl Index of 1.18 and an efficacy of 99.1%. Effectiveness is similar with actual use.

*Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, Missouri

Department of Obstetrics and Gynecology, Stanford University, Stanford, California

Correspondence: Tessa Madden, MD, MPH, Department of Obstetrics and Gynecology, Washington University School of Medicine, 4533 Clayton Ave, Box 8219, St. Louis, MO 63110. E-mail: maddent@wustl.edu

© 2007 by Lippincott Williams & Wilkins.