Sharp pains in pelvis area??

I'm 38 weeks & 6 days and today my baby boy has been moving like CRAZY and has felt so low in my pelvis. But tonight he's calmed down but I've been having sharp pains in my lower stomach/top of pelvic bone, I was wondering if anyone else felt this and if I should be concerned? It doesn't feel like contractions just random sharp pains, not even Braxton hicks just feels like period cramps but quick and hurts bad I can't even sleep! What do I do 😞😞