Ethinylestradiol/etonogestrel, sold under the brand names NuvaRing among others, is a hormonal vaginal ring used for birth control and to improve menstrual symptoms.[1] It contains ethinylestradiol, an estrogen, and etonogestrel, a progestin.[2] It is used by insertion into the vagina.[1] Pregnancy occurs in about 0.3% of women with perfect use and 9% of women with typical use.[3]