18 weeks, and I'm having this all over belly pain, not like Braxton hicks or round ligament. It…

18 weeks, and I'm having this all over belly pain, not like Braxton hicks or round ligament. It literally feels like somebody is reaching their hand in my organs and squeezing them. It's been this way for a few hours now, I tried yoga, stretching walking, laying down, a bath, a shower, everything. Help me! I don't remember this from my daughter!