I have been using the implant contraceptive for a year now and have put on so oo much weight thats 2dress sizes and have mood swings ,pains in my arm , irregular menstral cycle and irregular heart beats so have decided to remove it and i want to go on the natural family planing .do i have to wait for the hormones to clear and get regular periods be fore i can calculate or if theres a pill that can help me not gain weight please help since i have used the mirena coil which my body rejected and was very painful too. I have 2 children and dont want to have a chlid yet not now