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Breastfeeding and long-chain polyunsaturated fatty acid intake in the first 4 post-natal months and infant cognitive

Sarah A Keim1, Julie L Daniels, Anna Maria Siega-Riz

  • 1Department of Epidemiology Department of Maternal and Child Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina , USA. sarah.keim@nationwidechildrens.org

Maternal & Child Nutrition
|May 28, 2011
PubMed

Insights

This study found no link between infant feeding, breast milk, or formula long-chain polyunsaturated fatty acid (LCPUFA) levels and infant development. Early nutrition, including docosahexaenoic acid (DHA) and arachidonic acid (AA), did not impact developmental outcomes.

Area of Science:

  • Nutrition Science
  • Developmental Pediatrics
  • Human Lactation

Background:

  • Long-chain polyunsaturated fatty acids (LCPUFAs), such as docosahexaenoic acid (DHA) and arachidonic acid (AA), are crucial for infant development.
  • Understanding the impact of LCPUFA concentrations in breast milk and infant formulas on neurodevelopment is essential.

Purpose of the Study:

  • To investigate the relationship between infant feeding practices, LCPUFA levels in breast milk and formula, and infant development.
  • To assess if specific LCPUFA concentrations correlate with developmental milestones in infants up to 12 months of age.

Main Methods:

  • Prospective cohort study (Pregnancy, Infection and Nutrition Study) with 358 mother-infant pairs.
  • Collection of breastfeeding data, breast milk samples, and formula information up to 4 months postpartum.
  • Infant development assessed at 12 months using the Mullen Scales of Early Learning; statistical analysis via linear regression.

Main Results:

  • Breastfeeding exclusivity was not associated with infant development after adjusting for confounding factors.
  • No significant association was found between breast milk LCPUFA (DHA, AA) concentrations and infant development in exclusively breastfed infants.
  • Combined LCPUFA intake from breast milk and formula, weighted by dietary contribution, did not correlate with developmental outcomes.

Conclusions:

  • This study found no evidence that the LCPUFA content of breast milk or formula consumed in the first four months postpartum enhances infant development.
  • Infant feeding practices and LCPUFA levels, including DHA and AA, do not appear to be critical determinants of early childhood development based on these findings.

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