Implant (Implanon®/Nexplanon® ) Over 99% effective A small single rod, about the size of a matchstick, placed by a clinician on underside of arm Releases the hormone progestin Unable to see the rod, should be able to feel it Lasts up to 3 years—can have it removed sooner May experience irregular bleeding – some women have irregular bleeding for a month, six months, a year, or even the entire three years – some women have no bleeding at all – Unable to predict who will experience irregularity