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NuvaRing Effectiveness

NuvaRing® (etonogestrel/ethinyl estradiol vaginal ring) is a hormonal contraceptive that comes in the form of a flexible vaginal ring. It works like combined oral contraceptives, birth control pills that contain both an estrogen and a progesterone. Several clinical studies have been conducted to explore the effectiveness of NuvaRing.
NuvaRing was shown to be an effective birth control method in three large clinical trials. In these studies, for every 100 women who used the contraceptive for a year, one or two became pregnant. This is very effective, compared to many other methods of contraception. For instance, as many as 14 percent of women using condoms for a year will become pregnant.
(Click NuvaRing to learn more about the effectiveness of NuvaRing, to find out how this method of birth control works, and for information on how to use the vaginal ring.)
Last reviewed by: Kristi Monson, PharmD
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