Girls, hi! I woke up at 8:30 because of pain in my stomach and lower b…

Girls, hi! I woke up at 8:30 because of pain in my stomach and lower back. Then diarrhea started ??‍♀️I didn't understand anything, the stomach kept hurting. I took a shower and fell asleep, now the pain is not so strong but feels a little. I'm 37 weeks pregnant, it's not contractions, who knows?