Question on what to do

Shonquia

So last night Me and partner had sex and it got uncomfortable, so we stopped I had pelvic pressure (scale 0-10 it was a 8) then I had lower back pain so I laid on my side which really didn’t help but I slept a little this morning I went to bathroom thinking I just had to move my bowels and I have back pain can anybody tell me what they would do I’m 33 weeks and 2 days