Depo help x tmi warning

I was due depo 5th june  i didnt have it as myself n oh want another baby itll be are 4th child but are third living child. Anyways is it too early to have af back as ive heard storys it took months for af to reappear and also that it wud b heavy i started slight bleeding thursday and thought it wud get heavier but it has stayed the same and the cramps left saturday so not in any pain niether