Hi Iv Been On The Depo For A Year. And

Hi iv been on the depo for a year. And seemed to be on my period more than not 2 months ago the doctor gave me microgynon now I have a period on my 7 day break but im in so much pain with it, iv put on loads of weight and its getting me down why am I taking both and what's the best one to take because the weight and the pain has only been worse since taking the pill as well.
Thank you