my 3 month old baby girl sicking her hand into mouth nd then act like vomiting nd sometime she vomits sticky milk. what to do avout that.

A. Teething could be happening with your child probably which is why your child is taking hands into the mouth and not trying to vomit just too so the irritation in the gums often bite onto their finger thumb so I think that is associated with the same introduce Teether your child