hi mummies, got a Q to seek for advises. My baby kept having alot air in his tummy, by the way, he is in his 1mth 1 week old. These few nite he kept crying on and off. Donno it be'cose tummy got air or he wanna slp but cannot slp. My MIL told mi maybe the formula milk that my baby is drinking causes allt he air in tummy. Is that true?