Jessica,

> is a TT more *likely* when the frenulum is behind the
> mucosa?

We really don't know yet! We THINK that if the frenulum is behind the
mucosa, this is an alteration of normal development, because most people
have a visible frenulum. In fact, the absence of a frenulum is a sign of
specific genetic connective tissue disorders, such as Ehlers-Danlos
syndrome.

The most important thing to recognize is if a tongue can't move the way
it's supposed to, so you can refer to a professional who can determine
why. Sometimes it's a muscular issue, sometimes a tongue-tie, sometimes
neurological. Since medicine is so specialized, it helps to have some
idea which is most likely so you can target your referral.

Catherine Watson Genna, BS, IBCLC  NYC

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