Pain during sex

Me and my SO just got finished BD and we tried a new position (he's on top but my feet are up in front of his shoulders) and I felt him go past my cervix and I was in so much pain I started to cry. Its been 10 minutes and I'm still in pain but not as much. The pain is in my lower abdomen .. Like the whole top of my vagina (sorry tmi). Anyone else? Could I be pregnant and that's why it hurts?