Hey i am on the depo shot ive been on it for 2 and half months now and when i first got it i would have spotting but about 3 weeks ago i started bleeding heavy with very painful cramps sometimes bloating that would come and go. I thought it was just a very long period as it lasted 2 weeks of the awful bleeding and bad cramps. But it stopped for about a week and now im bleeding heavy and have cramps again.  What is going on im almost due for the next shot but this is driving me crazy any help is greatyl appreciated! Thanks