Pain!!

So my sister in law took our 3 children over night tonight! Husband and I decided to see a movie (the night before). I freakin had awful sharp burning back pain with contractions and pain in my pelvis the whole time. When I got up to leave it hurt and I was wincing from the pain and pressure in my crotch. Went pee walked to the car felt a little better. But still getting back pain and contractions. I'm 35+1. With my first I had internal checks and was already dilating had my first at 37+3 I stayed at 3cm the whole time till the last 1.5 hours then was 10cm! I feel like my OB should have gotten more info and should've checked by now. I'm living in a new state so different hospital now also at a high risk office due to my autoimmune disease. I'm so uncomfortable right now...I really don't want to go get checked just to be sent home my poor husband is so nervous lol this is our first child together