I wanna know if there's a possibility that im pregnant?

i had a miscarriage 7 months ago and i wanna know if somehow it could of messed my period up to where i have a period if im pregnant but i had my period june 10 and got off of it june 15 and the day after my period stopped i got lower stomach pains and sore nipples and clear/ white discharge and im feeling more sleepy i had diarrhea every day for 2 weeks and im still have the stomach pains and the sore nipples and the discharge ???? can you help me please?