Probably just baby hitting your cervix, my daughter is really low so I feel her down there all the time when she moves and squirms =) its ok all normal. If it does concern you talk to your ob
My guess is that the baby is getting ready for being positioned. But I have no idea. If nobody knows, I'll definitely ask my doctor next appointment.
That's kind of my question I posted earlier too! Except it feels more tingly. No one has answered mine yet about it..