Ive been getting that same pain/feeling too. Its not everyday, but it feels like he is pushing/kicking down there and then i get a kick or punch to the bladder. Not a pleasant feeling. Im 34 weeks right now.
Its been like this for weeks, and it can be very painful
If you are that close to your due date, she could very well be moving against your cervix. It's a bit of an odd feeling. You are very close.