"my experience has been good so far. i&#039;ve been on nuvaring for three weeks  now and i&#039;m about to have my first period. i have not gained weight, it has helped clear my acne and i am not pregnant, so it works. the only downsides have been lots of breast tenderness which has finally passed and bad cramps, randomly. i&#039;ve never had bad cramps so that part does suck. i plan to continue using this form of birth control."