"i&#039;m going on my second implanon. the first three years were ok. i didn&#039;t get a period for the first year. then i got a 2 week long period every three months for the second year. the final year i got my period every month for a few days. normal for me. this time around...not sure if i&#039;m liking it. i got it replaced in april. i haven&#039;t had a period since then....which is fine by me. but i have been gaining weight and can&#039;t seem to lose it. i&#039;ve always been very petite, 107 lbs is my normal weight. now i am up to almost 130. also, my arm where the implant is itches like crazy almost every day. bad enough that at times i just want to get it taken out. but i more than likely wont"