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The growth and nutritional status of the breast-fed infant
I S Rogers1, P M Emmett, J Golding
1Unit of Pediatric and Perinatal Epidemiology, University of Bristol, UK.
Insights
Breast-fed infants in developed nations are lighter with less body fat than formula-fed infants. However, these infant growth differences are temporary and do not persist long-term.
Area of Science:
- Pediatrics
- Nutrition Science
- Growth and Development
Background:
- Early infant feeding practices significantly influence growth trajectories.
- Breastfeeding is associated with lower adiposity and weight in developed countries after 3-4 months.
- Growth patterns differ significantly between developed and developing regions.
Purpose of the Study:
- To review the literature on infant feeding and its impact on growth.
- To compare infant growth outcomes in developed versus developing countries.
- To analyze the effects of early supplementation on infant growth.
Main Methods:
- Literature review of studies on infant feeding and growth.
- Comparative analysis of growth data from developed and developing regions.
- Examination of the impact of early supplementary feeding.
Main Results:
- Breast-fed infants in developed countries show lower weight and adiposity post-infancy.
- Linear growth rates may be slightly reduced in breast-fed infants initially.
- In developing countries, maternal malnutrition can lead to growth faltering in breast-fed infants by 3-6 months.
Conclusions:
- Infant feeding practices have distinct effects on growth in different global settings.
- Early supplementation before 6 months in developing countries may not benefit growth and can risk faltering.
- Growth differences observed in infancy typically do not persist into later childhood.
Abstract:
The literature on the relationship between early infant feeding and growth shows that after the first 3 or 4 months, breast-fed infants in the developed world are lighter than formula-fed infants with markedly lower adiposity. There is some evidence of a slightly lower rate of linear growth over the first year or so. These differences in weight and length do not apparently persist beyond the first few years of life. In the developing world the situation is very different. The growth curves of breast-fed infants of malnourished mothers may falter between the third and sixth month of life. However, the generally poor quality of the supplementary foods offered in the developing world and the increased risk of diarrhoeal infections mean that supplementary feeding before the age of 6 months is unlikely to lead to a growth advantage and may well lead to growth faltering.