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Breastfeeding, long-chain polyunsaturated fatty acids in colostrum, and infant mental development

Mònica Guxens1, Michelle A Mendez, Carolina Moltó-Puigmartí

  • 1Center for Research in Environmental Epidemiology, Barcelona, Spain. mguxens@creal.cat

Pediatrics
|September 21, 2011
PubMed

Insights

Longer breastfeeding duration is linked to better child mental development, independent of parental factors. Breast milk

Area of Science:

  • Pediatric Neurodevelopment
  • Nutritional Neuroscience
  • Human Lactation Studies

Background:

  • Breastfeeding is associated with enhanced child neurodevelopment.
  • The specific contribution of breast milk's nutritional components remains unclear.

Purpose of the Study:

  • To investigate the influence of parental psychosocial factors on the breastfeeding-neurodevelopment link.
  • To assess the role of colostrum long-chain polyunsaturated fatty acid (LC-PUFA) levels.

Main Methods:

  • Population-based birth cohort study (Sabadell, Spain; n=657).
  • Parental characteristics and breastfeeding data collected via questionnaire.
  • Child mental and psychomotor development assessed using Bayley Scales at 14 months (n=504).

Main Results:

  • Higher accumulated breastfeeding positively correlated with child mental development.
  • Maternal education, social class, and IQ partially mediated the association.
  • Higher colostrum n-3/n-6 PUFA ratios combined with longer breastfeeding duration showed significantly higher mental scores.

Conclusions:

  • Accumulated breastfeeding in the first year strongly predicts higher mental development at 14 months.
  • This association is largely independent of parental psychosocial factors.
  • LC-PUFA levels in breast milk may enhance cognitive benefits of breastfeeding.
Abstract

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