“Low Intake of milk”, “Failure to thrive”, “Growth failure” and “Slow gain” are all terms used to describe the circumstance in which baby is not receiving enough breast milk to grow and pick up weight healthily.
If your baby is growing well and is generally healthy, then he/she is
getting enough milk. Growth can be slow at times, but may still be
adequate.
Causes of low intake of milk

Problems in Mom that can cause a low milk supply or cause baby to have difficulty latching on:
- Anemia.
- Sheehan’s syndrome.
- PCOS.
- Delayed onset of milk.
- Chronic illness.
- Autoimmune disease.
- Eating disorder.
- Depression.
- Another pregnancy.
Problems in baby that can cause low milk supply, laziness and/or latching difficulty:
- Anatomical problems such as cleft lip or palate, short frenulum or any tongue problems. There are a list of things that can cause a week latch.
- Any disease in baby can affect whether baby will drink often enough and effectively enough.
- A premature baby may have less muscle tone and may be sleepy more of the time.
- Some babies may have an allergic reaction to something in Mom’s milk.

- Acid reflux can cause baby a lot of pain and discomfort.
Other causes of low intake of breast milk:
- Giving baby supplements.
- Scheduling feeds.
- Setting time limits for feeds and times for each breast.
- Poor latching technique
- The use of pacifiers or artificial nipples
- Not feeding baby often enough and not breastfeeding through the night.
Signs and Symptoms of Failure to Thrive
- Not enough urine nappies for baby’s age.
- Urine is dark and strong smelling.
- Not enough bowl movements. (first few weeks after birth)
- Baby is not swallowing enough while breastfeeding.
- Baby is not gaining weight sufficiently.
Stool and urine requirements of infants per week.
Weight requirements of infants per week and month.
Weight Variations
|
|
NORMAL |
OF CONCERN (Get a lactation consultant to assess the breastfeeding relationship) |
ABNORMAL (Get a lactation consultant to assess the breastfeeding relationship) |
| Weight loss in percentage during the first 5 days after initial birth weight. |
7 % or less |
10% |
More than 10% |
| Time it takes baby to return to the original birth weight. |
2 weeks after birth |
After two weeks |
After 3 weeks |
| Daily weight gain after original birth weight was gained back. |
Girls – 34g Boys – 40g |
Girls – 20g Boys – 30g |
Girls – less than 20g Boys – less than 20g |
| Weight loss after two weeks of age. |
None |
None |
Any amount of weight lost after two weeks of age. |
Tips to Avoid or Deal with Failure to Thrive

- Let baby breastfeed as often as he/she wants without restricting the time.
- Make sure you have a good latching technique.
- Try different breastfeeding positions.
- Know your baby’s hunger signs.
- Wake a newborn if they sleep longer than three hour stretches at a time. Make sure to breastfeed through the night too.
- Keep note of how many urine and soiled nappies your baby is having.
-
Skin to skin contact is recommended as often as possible and
especially during breastfeeding. Many Moms have found that breastfeeding
in the bath can help for maximum relaxation and milk transfer.
-
Using breast compressions while breastfeeding can help the milk flow
faster if Mom feels that she has a slow milk let down reflex.
- Massaging your breasts in-between breastfeeding sessions can help increase fat content of milk.
-
If baby is struggling to pick up weight and Mom has a sufficient milk
supply, Mom can pump milk into separate containers, keeping the hind
milk and foremilk separate. She can then freeze the foremilk for when
baby is a little older. The hindmilk is fattier and more satisfying and
will help baby gain weight faster.
- If Mom is using a breast
pump, it is always best to use a hospital grade, electric double pump.
Making sure that the flange (part that touches the breast) is the right
size.
- Avoid using pacifiers and artificial nipples. Alternative methods of feeding can be used to avoid the use of these.
-
Mom can investigate different ways of increasing supply, if this is an
issue. She can increase supply with acupuncture, herbs, galactogogues,
and certain lactogenic foods.
- Some medications can decrease milk supply, for example some contraceptives.
-
Mom should take care of herself, keep calm and eat well as well as
keep herself hydrated by drinking plenty of fluids.
Supplementation
-
If supplementation is necessary, it is recommended to first try human
milk fortifier which adds goodness and calories to the breast milk. The
second best choice would be to use donor breast milk if safe and
available and the last resort would be formula.
- Supplementation can be done via a SNS or alternative feeding methods.
- Mom should pump while supplementing, to increase her own milk supply.
Tracy Behr, CBC, CLD (CBI)
Reference: Breastfeeding counselor Course information through childbirthinternational.com on Physiology of breastfeeding / breastfeeding problems / Other issues / failure to thrive.
Other pages on breastfeeding problems in connection with this page on failure to thrive
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