Nausea and vomiting

A couple of nights in the last week I’ve been getting severe cramps (feels like period cramps) all over my belly. I also get super nauseous. Can’t find a comfortable position standing, sitting, or laying down. Tonight I actually vomited. The cramping usually goes away in an hour or two but it totally sucks while it’s happening. Does this sound normal? Would you call your doctor? (I’m 32w4d)