I'm 21 weeks & have been like that too I can't sleep at night because my stomache constantly hurting.
Bump
I'm 20 weeks going through the same thing
Mix a half tea spoon of baking soda with 6oz of water and drink it fast . Helps relieve gas in minutes. Have a big cup of water to wash it down. It has a very nasty after taste nd smells bad so hold your nose. Its perfect fine to drink it wont harm the baby at all its just half a teaspoon