Trying to conceive

Desiree • 🍒Queen desi 🍒
Hello all..me and my fiancé have been ttc since October 2015 still no baby yet I was on birth control for about 4 years depo provera to be exact and still no sign of pregnancy what do I do ? I am stressing so bad becuase we both want to have children immediately could I be not ovulating ??what do you reccomend ??