Abdominal pain

I am 15 weeks and am having seriously abdominal pain. I thought it was just the muscle stretching & adjusting, but I’ve been reading it should go away within a few minutes or so. It’s been hours with this pain. It’s horrible! Tylenol doesn’t help. Glued to the heating pad but once it’s off the pain is still there, even when moving or touching. Has anyone else experienced this? I can’t decide to go in or just believe it’s ligament stretching. Drank water,

Eaten, I’ve done the regular things thinking it would help too. Nothing.