"awesome form of birth control. i been on its since december 2014. it has not failed me once. my periods with out bc are every month with bc it&#039;s every two to three months witch is great. also i have noticed the only side effect for me is when i&#039;m going to start my menstural i&#039;ll develop a little bit of acne otherwise great method and i&#039;m going to renew it for another three years."