Effect of breastfeeding duration on cognitive development in infants: 3-year follow-up study

Hyungmin Lee, Hyewon Park, Eunhee Ha, Yun Chul Hong, Mina Ha, Hyesook Park, Bung Nyun Kim, Boeun Lee, Soo Jeong Lee, Kyung Yeon Lee, Ja Hyeong Kim, Kyoung Sook Jeong, Yangho Kim

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

We investigated the association between breastfeeding and cognitive development in infants during their first 3 years. The present study was a part of the Mothers' and Children's Environmental Health (MOCEH) study, which was a multi-center birth cohort project in Korea that began in 2006. A total of 697 infants were tested at age 12, 24, and 36 months using the Korean version of the Bayley Scales of Infant Development II (K-BSIDII). The use and duration of breastfeeding and formula feeding were measured. The relationship between breastfeeding and the mental development index (MDI) score was analyzed by multiple linear regression analysis. The results indicated a positive correlation between breastfeeding duration and MDI score. After adjusting for covariates, infants who were breastfed for ≥ 9 months had significantly better cognitive development than those who had not been breastfed. These results suggest that the longer duration of breastfeeding improves cognitive development in infants.

Original languageEnglish
Pages (from-to)579-584
Number of pages6
JournalJournal of Korean Medical Science
Volume31
Issue number4
DOIs
StatePublished - 2016

Keywords

  • Breastfeeding
  • Korean Bayley Scales of Infant Development II (K-BSID-II)
  • Mental development Index

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