"implanon rocks! i&#039;ve had it for a couple months now. i love having no period and i love 3 years of it. the insertion was easy and painless. i&#039;ve had no weight gain due to it but i&#039;ve had some back aches, some migraines, and 2 really bad mood swings. it can be expected that this will happen when switching birth control especially when going from and estrogen based pill to a progestin base stick in the arm. but really my side effects aren&#039;t as bad as the pill and i don&#039;t have to worry about forgetting."