Burning menstrual like pain

🐘🐘🐘 β€’ πŸ‘§πŸΌ born 1/19/16. πŸ‘ΌπŸΌ lost 9/15/17. πŸ‘ΌπŸΌ lost 11/26/17.
Right under my bump like where uterus usually would be pre pregnancy, it burns like a bad period. I'll be 37 weeks in a few hours. Is anyone else experiencing anything like this??