I have been on the Depo shot since the end of last month. Thing is I am still having bad cramps, a period, and my periods are usually heavy or i go for awhile and it be light. Either one, and I am still having all of that. So, I am still having my periods. I know for sure. So does that mean I am still ovulating. Because I am not using any other sort of protection besides this shot. I know it's my first dose of the BC but when I have a period, I still ovulate. Please Help.