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Determinants of infant behavior and growth in breastfed late preterm and early term infants: a secondary data

Xinzhuo Zhang1, Jinyue Yu2, Zhuang Wei3

  • 1Division of Medicine, University College London, London, UK.

World Journal of Pediatrics : WJP
|April 10, 2023
PubMed

Insights

Exclusive breastfeeding promotes better sleep and less crying in late preterm and early term infants. Maternal education and income influenced infant distress, but infant behavior did not impact growth.

Area of Science:

  • Neonatal Health
  • Infant Development
  • Maternal-Infant Nutrition

Background:

  • Late preterm and early term infants face heightened risks for poor growth, behavioral issues, and developmental delays.
  • Understanding factors influencing infant behavior in this population is crucial for optimizing outcomes.

Purpose of the Study:

  • To investigate the impact of maternal/infant characteristics, feeding practices, and breast milk composition on infant behavior in late preterm/early term infants.
  • To evaluate the association between infant behavior and subsequent infant growth.

Main Methods:

  • Utilized data from 52 Chinese mother-infant dyads in the Breastfeed a Better Youngster study.
  • Collected maternal/infant characteristics via questionnaires, breast milk via human milk analyzer, and infant behavior via a 3-day diary.
  • Employed multivariate models to analyze associations between predictors, infant behavior, and growth.

Main Results:

  • Exclusive breastfeeding correlated with increased infant sleep duration (P=0.02) and decreased crying duration (P=0.01).
  • Maternal vocational education was linked to greater infant distress duration (P=0.006), and higher maternal income to increased colic duration (P=0.004).
  • No significant associations were found between infant behavior and growth (all P>0.05).

Conclusions:

  • Exclusive breastfeeding may foster positive infant behaviors in late preterm/early term infants.
  • Maternal education and income appear to influence infant distress behaviors.
  • Larger studies with objective measures are recommended to confirm findings due to diary method limitations.
Abstract

Keywords:
BreastfeedingGrowth and developmentInfant behaviorPremature infant

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