birth control
"I have been on the shot for two years now, and overall it's been great. I couldn't remember to take a pill everyday, so my doctor suggested the Depo Shot. When I first got the shot I bled for almost two months straight. After that, nothing. Besides some spotting when I'm up for my next shot. However, I have noticed I've lost some of my hair, my depression worsened and I experience major mood swings from time to time; I didn't gain any weight. 

My doctor just notified me of the risk of osteoporosis and suggested taking 1000 MG of Calcium and 400-800 MG of Vitamin D per day. This is suggested after receiving the shot for 2+ years. Either way, I wish I knew this sooner. I would have been taking those vitamins since day one."