I've been having extreme cramping and mild Braxton hicks contractions since 1030 this morning. It is…

I've been having extreme cramping and mild Braxton hicks contractions since 1030 this morning. It is now 1900. I still have the sharp cramping all around my right side to my back the contractions have stopped. Should I be concerned about the continuous pain? I tried calling my OB. Left a voicemail.