Historical Context of Breastfeeding Attitudes

The Chequered Past of Breastfeeding

Attitudes toward breastfeeding have evolved over time, despite its numerous health benefits and its link to children’s cognitive development. Currently, the UK stands out with one of the lowest breastfeeding rates globally, largely influenced by social attitudes.

Need for Enhanced Promotion

Although various policies have been implemented to encourage breastfeeding in the UK, there remains a pressing need for stronger efforts to highlight the advantages of breastfeeding for both mothers and developing children. Alongside physical health benefits, breastfeeding offers significant psychological perks.

Impact on Cognitive Development

Conflicting Evidence

The relationship between breastfeeding and cognitive development has been the subject of debate, with mixed results in previous research.

Recent Study Findings

A recent study published in Social Science and Medicine utilized detailed statistical methods to investigate the effects of breastfeeding on cognitive development in 11,540 children in the UK. This study evaluated cognitive abilities based on an average of six British Ability Scale (BAS) test scores collected when the children were 9 months, 3 years, 5 years, and 7 years old.

Study Methodology

Participants were organized into nine quantiles according to their BAS scores and further categorized by breastfeeding history (≥ 4 months vs < 4 months). Comparisons were made among children from families with similar characteristics, determined by a comprehensive set of factors pertaining to the mother, father, and family.

Key Findings

Breastfeeding and Test Scores

Overall, the study found that breastfed children achieved higher BAS test scores than their non-breastfed counterparts, reinforcing the idea that breastfeeding positively influences cognitive development. Furthermore, the benefits of breastfeeding varied across different cognitive quantiles.

Greater Benefits for Lower Cognitive Ability

Notably, breastfeeding had a 2-2.5 times greater impact on children with lower BAS scores (below the 20th percentile) compared to those with higher scores (above the 80th percentile). When breastfeeding duration was extended from 4 months to at least 6 months, these benefits doubled for children in lower cognitive quantiles.

Study Limitations and Implications

Data Limitations

While the study’s findings are compelling, they are based on data from the UK Millennium Cohort Study, which may have limited certain information such as maternal IQ and exclusive breastfeeding rates. This could lead to an underestimation of breastfeeding’s effects.

Broader Implications for Policy

The research underscores the potential of breastfeeding to positively affect children’s cognitive development, particularly among those with naturally lower cognitive abilities. In the UK, children from low socioeconomic backgrounds often struggle academically and are less likely to have been breastfed. Promoting breastfeeding, especially among these populations, may help bridge educational disparities.

Cultural Considerations

It is essential to acknowledge that the findings may not be universally applicable, as cultural and societal perceptions of breastfeeding can significantly differ across countries.

Conclusion

By enhancing breastfeeding promotion efforts, especially for families in low socioeconomic situations, there is potential to improve cognitive outcomes for children in the UK.

References

Koh K. Maternal breastfeeding and children’s cognitive development. Social Science and Medicine. 2017; 187:101-108.

Written by Natasha Tetlow, PhD.