Pregnancy

Okay, I really REALLY need help. Last month I had sex the day after my period ended, 5 times with no protection, and he pulled out each time and I saw his cum on the blankets. But then a week after that, I had sex one time with no protection and he pulled out again. Since then, I've not had sex and I'm due for my period in 2 days. I've had diarrhea, and I don't usually cramp before my periods, but lately I've had some slight cramping and weird feelings in my tummy. My boobs are also sore. Am I just over reacting? I really