So , I got on depo in June , it ended September some , and I only got one shot never went back, it's been about 2 and a half months now , and well I have sex every week and he cums in me about twice in the same day , not to long ago , my boobs started to feel weird mainly my nipples , my chest got really really sore , and I had cramps , but not bad ones ' and I bled really light blood ' it wasn't a lot onlyba little nothing like a period it happened for 2 days , as of rn I only still let out bloodlike that a little , rarely but still do am I pregnant ??? (Also experiencing back pain & got sick randomly )