Pain? Might be a little TMI, sorry.

Alexis
Okay, so this week has been weird. I'm ovulating today, so I can understand why I've been a little more horny than usual, but this time I'm experiencing some sort of soreness in my vagina. Almost like I just had some decently rough sex (and likely enjoyed it), and have some tenderness because of the pounding. I only notice it when I sit a certain way, or when I'm seriously turned on (which is happening a lot because my bf is a monster). This isn't normal for me, but I'm not overly concerned.
Any ideas as to why this might be happening?