With regular bottles as the baby drinks air enters the bottle from around the nipple to replace the milk baby drank this causes bubbles in the milk so baby swallows more air. With the mam bottle as baby drinks the air enters the bottle from the bottom so it doesn’t mix with the milk.
With regular bottles as the baby drinks air enters the bottle from around the nipple to replace the milk baby drank this causes bubbles in the milk so baby swallows more air. With the mam bottle as baby drinks the air enters the bottle from the bottom so it doesn’t mix with the milk.