If you're wanting more children I wouldn't do the shot either. What about the patch or mirena? I'm scheduled to have the mirena put in in about 4 weeks (since I just had a baby) and I'm hearing it's very easy to get pregnant after having it removed. When I did depo, I bled the entire 3 mnths and it was really annoying. Some days light, some heavy but literally every day. The weird thing is, I have 3 sisters and the 2 that did the shot as well also bled the whole time. Not sure why, but we just did and none of us did the shot again after the 3 months was up.
Good luck to you and PM if you have any questions. : )