Breastfeeding and Tongue-tie
Tongue-tie (ankyloglossia) is where the strip of skin connecting the baby's tongue to the floor of their mouth is shorter than usual.
Some babies who have tongue-tie don't seem to be bothered by it. In others, it can restrict the tongue's movement, making it harder to breastfeed.
Tongue-tie is sometimes diagnosed during a baby's routine newborn check, but it's not always easy to spot. It may not become apparent until your baby has problems feeding.
See your health visitor, midwife or GP if you're concerned about your baby's feeding and think they may have tongue-tie.
Breastfeeding problems
To breastfeed successfully, the baby needs to latch on to both the breast tissue and nipple, and their tongue needs to cover the lower gum so the nipple is protected from damage.
Babies with tongue-tie aren't able to open their mouths wide enough to latch on to the breast properly.
If you're breastfeeding your baby and they have tongue-tie they may:
- have difficulty attaching to the breast or staying attached for a full feed
- feed for a long time, have a short break, then feed again
- be unsettled and seem to be hungry all the time
- not gain weight as quickly as they should
- make a "clicking" sound as they feed - this can also be a sign you need support with the positioning and attachment of your baby at the breast
Tongue-tie can also sometimes cause problems for a breastfeeding mother. Problems can include:
- sore or cracked nipples
- low milk supply
- mastitis (inflammation of the breast), which may keep recurring
Most breastfeeding problems, however, aren't caused by tongue-tie and can be overcome with the right support.
If you're finding breastfeeding difficult, ask your midwife, health visitor or a breastfeeding specialist for help.
Read more about breastfeeding problems and how to overcome them.
Other signs of tongue-tie
Other signs that may indicate your baby has tongue-tie include:
- difficulty lifting their tongue up or moving it from side to side
- difficulty sticking their tongue out
- their tongue looks notched or heart-shaped when they stick it out
Treating tongue-tie
Treatment isn't necessary if your baby has tongue-tie but can feed without any problems. If their feeding is affected, treatment involves a simple procedure called tongue-tie division.
Tongue-tie division
Tongue-tie division involves cutting the short, tight piece of skin connecting the underside of the tongue to the floor of the mouth (the lingual frenulum).
It's a quick, simple and almost painless procedure that usually resolves feeding problems straight away.
The procedure
Tongue-tie division is carried out by specially trained doctors, nurses or midwives.
In very young babies (those who are only a few months old), the procedure is carried out without anaesthetic (painkilling medication), or with a local anaesthetic that numbs the tongue.
The procedure doesn't seem to hurt babies. This is because there are very few nerve endings in the area around the floor of the mouth. Some babies sleep through the procedure, while others cry for a few seconds.
A general anaesthetic is usually needed for older babies with teeth, which means they'll be unconscious throughout the procedure.
The baby's head is held securely while sharp, sterile scissors are used to snip the tongue-tie. Some practitioners use a laser instead of scissors.
It only takes a few seconds, and you can start feeding your baby immediately afterwards.
There should be little blood loss, although some bleeding is likely. A white patch may form under the tongue, which takes 24 to 48 hours to heal, but doesn't bother the baby.
Research suggests most babies who have treatment for tongue-tie find breastfeeding easier afterwards.
Older children and adults
Untreated tongue-tie may not cause any problems as a child gets older, and any tightness may resolve naturally as the mouth develops.
However, tongue-tie can sometimes cause problems such as speech difficulties and difficulty eating certain foods.
Speak to a GP if you think you or your child are having problems caused by tongue-tie.
Tongue-tie division can be carried out in older children and adults, although it's usually done under general anaesthetic.
Links
Click here to view Betsi Cadwaladr University Health Board breastfeeding booklet for more information on breastfeeding.
Last Updated: 18/01/2022 10:25:14
The information on this page has been adapted by NHS Wales from original content supplied by
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