Tongue-Tie in Babies: How to Spot It and What to Do

Tongue-tie (ankyloglossia) is a congenital anatomical variation in which the lingual frenulum -- the membrane connecting the tongue to the floor of the mouth -- is shorter, thicker or tighter than usual, restricting tongue mobility. According to the AAP, it affects between 4 % and 10 % of newborns and can significantly interfere with breastfeeding when it restricts the movements needed for an effective latch.

Not all tongue-ties cause problems, and not all breastfeeding difficulties are caused by a tongue-tie. The key is a comprehensive functional assessment, not just an anatomical one.

How Does Tongue-Tie Affect Breastfeeding?

For effective breastfeeding, the baby's tongue must perform complex movements: protrude beyond the lower gum, cup around the nipple, and undulate from front to back to extract milk. When the frenulum restricts these movements, difficulties appear for both baby and parent:

Signs in the baby:

• Shallow or unstable latch (frequently slipping off).
• Clicking sounds during feeds.
• Very long or very frequent feeds with poor efficiency.
• Slow or inadequate weight gain.
• Reflux or aerophagia (swallowing air due to poor seal).
• Heart-shaped tongue when crying.

Signs in the parent:

• Intense, persistent pain during feeds.
• Nipple distorted when the baby releases (lipstick-shaped, flattened or with a compression line).
• Cracked nipples that do not heal despite latch corrections.
• Recurrent mastitis or engorgement from insufficient drainage.
• A sense that supply is declining.

How Is Tongue-Tie Diagnosed?

Diagnosis must be functional, not merely visual. A visible frenulum does not necessarily mean it causes problems; conversely, posterior tongue-ties are barely visible yet may significantly limit tongue mobility.

The most widely used assessment tool worldwide is the Hazelbaker Assessment Tool for Lingual Frenulum Function (ATLFF), which evaluates both the appearance and the function of the frenulum. Professionals who should perform this assessment include:

• IBCLCs trained in frenulum evaluation.
• Paediatric dentists with experience in tongue-tie.
• Paediatric ENT specialists or oral surgeons.

The AAP cautions against over-diagnosis: not every short frenulum requires intervention. The decision to treat should be based on functional impact, not anatomy alone.

What Treatment Options Exist?

Conservative management (no surgery):

• Latch optimisation with an IBCLC.
• Positional adjustments.
• Oral motor exercises (gentle, age-appropriate stimulation of the tongue).
• Time: some mild restrictions improve as the baby grows.

Frenotomy (frenulum release):

• A quick procedure (seconds) performed with sterile scissors or laser.
• Minimal bleeding and immediate improvement in most cases.
• Usually done in outpatient settings by a trained IBCLC, paediatric dentist or surgeon.
• The AAP states that frenotomy is a safe procedure when performed by an experienced provider and when there is a clear functional indication.

Post-procedure care:

• Wound stretches to prevent reattachment (as directed by the treating provider).
• Continued breastfeeding support with an IBCLC.
• Follow-up to assess improvement in feeding and weight gain.

What If the Baby Is Formula-Fed?

Tongue-tie can also affect bottle-feeding: the baby may struggle to maintain a seal, take in excess air or feed inefficiently. Assessment and, when appropriate, treatment are equally valid for formula-fed babies.

The Emotional Impact on Parents

The experience of tongue-tie can be exhausting and emotionally draining, especially when diagnosis is delayed or opinions conflict. It is common to feel guilt, frustration or anger. Remember:

• Tongue-tie is congenital -- nobody caused it.
• Seeking multiple opinions is reasonable and responsible.
• Your experience and your pain are valid.

At LetsShine.app we understand that breastfeeding difficulties can place enormous strain on a couple. Our AI mediator can help you process these emotions together and make decisions as a team.

Frequently Asked Questions

Can tongue-tie resolve on its own? Mild cases may improve as the baby grows and the frenulum naturally stretches. However, moderate to severe restrictions that are affecting feeding usually require intervention. Regular follow-up with an IBCLC is recommended.

Does frenotomy hurt the baby? The procedure is very brief and typically causes minimal discomfort. Most babies latch and feed immediately afterward, and many parents report an immediate improvement in the feeding experience.

Can tongue-tie cause speech problems later? Some untreated tongue-ties may affect articulation of certain sounds (particularly "l", "r", "t", "d" and "th"). Speech-language pathologists recommend reassessment if speech difficulties emerge in toddlerhood.

Is tongue-tie hereditary? There is a genetic component. Studies suggest that tongue-tie tends to run in families, though the exact inheritance pattern is not fully understood.