Stretch marks (birth control)

Hannah

I have stretch-marks on my thighs, on the side of my hips, and on my boobs. I am in my teens, and I am on birth control. Because of the birth control (I am on the nexplanon), I get the stretch marks. Any suggestions on how I could get them to fade/make them go away?? And I have gained more weight because of the birth control, is there any suggestions to help me loose some pounds?