Ovary pain

Ok so my bf and I were in the middle of an awesome session and I was getting really close when he thrust in really deep and I felt a sharp shooting pain in the spot I imagine my left ovary is.

We did have unprotected sex for like 3 of my fertile days (over a week ago now) so I am wondering if it could be a symptom of pregnancy. If it isn't then what in the world was it??