In 2013 I start receiving the depo Provera shot . I stopped taking it due to complications sickness ,major weight gain. I stoped receiving the Depo shot approximately 2 years ago and I have been trying to conceive for the past 2 years but nothing's happened ,I'm wondering if it was from the Depo shot ?is it any possible way that the Depo Provera could be still in my system? and I am trying to give my period time to caught up with it  because of my periods haven't fully regulated? so I'm trying to give it time .but when is the right time? Am I doing something wrong?