33 weeks pregnant pain on left side pain

Cherie
I'm a FTM and I have had a dull pain on my left side pelvic/ hip bone area since I woke up this morning. Dh told me to give it a day but I'm starting to get nervous. Only time I did not feel it was when I was swimming. It almost feel like a constant menstrual cramp, it gets a little more intense when I bend over but sometimes feels better when I put pressure on it. Baby girl has been moving all day and I have been having random BH all day. Anyone else have anything like this?