Tongue-ties (ankyloglossia) are caused by an unusually tight band of tissue anchoring the tongue to the floor of the mouth. This restricts the tongue’s normal function, which can cause breastfeeding issues in infants, as well as speech, dental, and airway issues later on.
Here are the things to look for. Please remember that a baby with a tongue-tie may only have one of these signs, but they may also have many of these signs.