Abstract
The provision of optimal nutrition during infancy is paramount considering the rapidity with which infants grow during the postnatal period. Human growth rate is the highest in infancy, with the exception of that experienced in utero. Median growth rate in infancy is about 10 g/Kg/d at 2 to 4 weeks, 3.5 g/Kg/d at 12 to 16 weeks, and 1 g/Kg/day at the end of the first year of life (1). During the most intensive growth period of early infancy, human milk or an appropriate substitute is the principal, if not the only source of required nutrients for acquisition and maintenance of bodily tissues. Marked compositional differences exist among human milk and infant formula preparations and, in large part, the physiological significance of these differences has not been evaluated.
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Picciano, M.F. (1987). Nutrient Utilization in Term Infants. In: Goldman, A.S., Atkinson, S.A., Hanson, L.Å. (eds) Human Lactation 3. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-0837-7_3
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DOI: https://doi.org/10.1007/978-1-4899-0837-7_3
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