Haan, it happens because of body changes. Just keep your mind peaceful, eat simple home-cooked food, and God will keep everything safe. Take care dear.
Actually, my doctor explained that progesterone hormone relaxes all muscles, including your digestive tract. This slows digestion and leads to a lot of gas buildup. It is very common in the first trimester.
It's a very common early sign. Try drinking warm jeera water or fennel tea, it helps thoda. But if you have severe stomach pain with it, please check with your doctor immediately.
Yes, I had terrible gas in my 6th week and got so scared thinking something is wrong. Don't worry, it's just the progesterone slowing down digestion, completely normal but so uncomfortable!