Do I call or don’t I?? Please help


I’m 32 weeks and a few days, today I have had intense period like cramps in my pelvic area, feels like pressure in my vagina, the cramps hurt in my back as well and sometimes go into my left thigh kind of like ovulation pain? It started when I went to do the groceries about 45 minutes ago and is not easing even though now I’m sitting in the car. Is this normal? I don’t want to bother my hospital because I was in there just a few weeks ago with bad back pain that ended up making me need to stop work early. Baby is still moving so that’s a good sign. I’m just not sure what to do??