What's it mean if on the depo-provera shot for 9 months and i do not have periods. i just started having severe abdominal pain/ bleeding?

No bleeding: The nature of depot provera is that women ideally do not get a menstrual period, while they are on Depot provera. This does not always work perfectly well. That is when women experience spotting or even an extended breakthrough bleeding. The possibility of a pregnancy causing the bleeding/ cramping always needs to be considered and acted upon accordingly. A doctor should be consulted.