Etonogestrel
"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's every two to three months witch is great. Also I have noticed the only side effect for me is when I'm going to start my menstural I'll develop a little bit of acne otherwise great method and I'm going to renew it for another three years."