Ethinyl estradiol / etonogestrel
"Nuvaring has regulated my cycle, practically diminished any menstrual cramps, and given me peace of mind, which is most important to me. It's hard to mess this up! In for 3 weeks out for one. I have not experienced any negative side effects, only positive ones. I tried Nuvaring because it is EASY, and because I did not want to get the shot or the 5 year long Mirena. If you're looking for something mindless and simple try Nuvaring. "