i am  on  the depo shot. for bout 6 or 7 months now. i think its bout time for my next shot soon . but i have been having sex with my boyfriend and he doesnt pull out . and lately my stomach has been hurting alot have alot of cramps cant run or my stomach hurts and i get cramps or sharp pain in my side. can jump up and down without my stomach feeling wierd! idk whats going on. i dont have periods since i am on the depo shot so i would know if i was or not.  its wierd, i havent took any preganany test or anythang. should i? please help. thanks