 [ Symptoms ] my implanon expired may 15 2014 and i still have it in and its jan 2015 why has it not lose effectiveness  i have not had anything weird happen everything is still the same from when i first got it only thing is i have developed and ovarian cyst  but need to mention i am only 127lbs does that have anything to do with it [ Disease ] sometimes nothing or sometimes the sebaceous cyst will reform