okay mommies I need some advise. I'm 39 weeks & 2 days. I'm 2cm dilated as of yesterday. I've lost…

okay mommies I need some advise. I'm 39 weeks & 2 days. I'm 2cm dilated as of yesterday. I've lost almost or all of my membranes around the sack. last time I was checked my son was in -2 position. but this after noon I have A LOT of pressure on my "parts". I can't sit up right cause of the pressure. hurts to bend down.. what could be going on? advise PLEASE