NuvaRing Medication Information

NuvaRing® (etonogestrel/ethinyl estradiol vaginal ring) is a prescription contraceptive used for preventing pregnancy. It comes in the form of a small, flexible ring that is inserted into the vagina once a month. NuvaRing is similar to combined oral contraceptives (birth control pills that contain both an estrogen and a progesterone) and primarily works by stopping ovulation (the maturation and release of eggs from the ovaries).
As with any medication, NuvaRing may cause side effects. Information concerning the potential side effects of this contraceptive should be reviewed with your healthcare provider before you start using it. Some of the most common side effects reported with this method of birth control include headaches, weight gain, and vaginal secretion.
NuvaRing was shown to be an effective birth control method in three large clinical trials. In these studies, for every 100 women who used it 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 for more information, including more details on how this method of birth control works, how to use the vaginal ring, and what other side effects may occur.)
Last reviewed by: Kristi Monson, PharmD
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