#askdoctors is it ok for 4 month baby to bite his lips and put everything in mouth?

A. hello..this happens...The habit of thumb suckingbir hand sucking is not a problem till babies get permanent teeth..babies have natural rooting and sucking reflexes, which can cause them to put their thumbs or fingers into their mouths — sometimes even before birth. .because thumb sucking makes babies feel secure...some babies might develop a habit of thumb sucking when they're in need of soothing or going to sleep...