People can react differently to different medicines. Triptorelin is apparently given to children who enter puberty too early and will return anyone's hormonal system to childhood levels (i.e both FTMs and MTFs can use this). I have no experience with Depo Provera but I do know that triptorelin worked for me, it might be worth looking into. Not an American either so I don't know what is available there and how it works, but I wish you the best of luck.