Related Experiment Video

Updated: Jan 31, 2026

A Common Marmoset Model of Mother-Infant Intervention for Breastfeeding Disorders in the Presence of Paternal Inhibition and Maternal Neglect
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A Common Marmoset Model of Mother-Infant Intervention for Breastfeeding Disorders in the Presence of Paternal Inhibition and Maternal Neglect

Published on: September 22, 2023

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Infant Breastfeeding and Behavioral Disorders in School-Age Children

Tingting Huang1, Yihuan Yue2, Hui Wang2

  • 11 Xiamen Mental Health Center (Xiamen Xianyue Hospital) , Xiamen, China .

Breastfeeding Medicine : the Official Journal of the Academy of Breastfeeding Medicine
|December 21, 2018
PubMed

Insights

Longer breastfeeding durations, especially over six months, significantly reduce internalizing behavioral problems like depression in school-aged children. This highlights breastfeeding

Area of Science:

  • Child Psychology
  • Developmental Pediatrics
  • Public Health

Background:

  • Behavioral disorders in school-aged children are a growing concern.
  • The impact of early life experiences, such as breastfeeding, on long-term behavioral outcomes requires further investigation.

Purpose of the Study:

  • To investigate the association between breastfeeding duration and behavioral disorders in school-aged children.
  • To determine if breastfeeding influences internalizing and externalizing behaviors.

Main Methods:

  • A study involving 1,979 school-aged children (6-11 years) in Xiamen, China.
  • Utilized Pearson chi-square tests and multivariable logistic regression to analyze data.
  • Assessed internalizing behaviors (depression, withdrawal, somatic complaints) and externalizing behaviors (aggression, rule-breaking).

Main Results:

  • A significant inverse relationship was found between breastfeeding duration and internalizing behaviors, including depression and somatic complaints.
  • Children breastfed for over six months showed a significantly reduced risk of internalizing behavioral problems and depression compared to never-breastfed children.
  • No statistically significant differences in externalizing behavioral problems were observed based on breastfeeding duration.

Conclusions:

  • Extended breastfeeding, defined as ≥6 months, is associated with a lower prevalence of internalizing behavioral problems, particularly depression, in school-aged children.
  • Promoting longer breastfeeding durations may serve as a crucial preventive strategy for children's internalizing behavioral disorders.
Abstract

Keywords:
breastfeedingchildren behaviorinternalizing behaviorsmental disorders

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