Does it ever hurt?

I'd say my boyfriend is well endowed - not enormous but not small.  Never measured it but id say 7-8 inches. Anyways... Does it ever hurt for you ladies when you have rough sex? Like he hits your cervix or something? I've noticed it since being with him. It's not constant and depends on the position.  Just want to make sure it's normal.  I also have a tilted uterus not sure if that makes a difference?  Thanks!!