Endometriosis
"I loved how convenient this was, one shot every three months, but, look into ANY birth control before you put anything in your body. I thought all was well for about a week and then I started heavily bleeding. I bled nonstop for the whole three months, and my gyno told me that the bleeding wouldn&#039;t stop anytime soon, even if I switch birth control. I&#039;ve read that the bleeding is caused by the progesterone only in the shot, so some women need an estrogen supplement or a different method of birth control that contains estrogen (I&#039;m on the patch now) to counteract the bleeding. My cramps were not as bad on the shot, but, they were still there and occurred more often than before I started on the shot."