Contraceptive vaginal ring

Tessa Madden, Paul Blumenthal

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


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.

Original languageEnglish
Pages (from-to)878-885
Number of pages8
JournalClinical Obstetrics and Gynecology
Issue number4
StatePublished - Dec 1 2007


  • Combined hormonal contraception
  • Contraception
  • Etonogestrel
  • Extended contraceptive regimen
  • Vaginal contraceptive ring


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