Tmi . Omg my bk has never felt like this ! Please comment ftm! & its really hard to sleep w this pain

woke up to my back feeling really uncomfortable where it kimd of hurt. & felt sooo much pressure. My tummy kept getting hard & would hurt i had to get up & walk back & forth. It helped me calm dowm. Its started at 4;30 am its 5:09 & i still have pain in my back . I i went to pee & felt like pooping to but nothing would come when i tried. Im also getting pains inside my private! I have appointment at 11 a.m today so hopefully they can tell me something. Ftm 37&4days at 32w i was told i was 2cm dialated & 50 % effaced. Any1 felt something similar?