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Related Experiment Videos

Do exclusively breast-fed infants require extra protein?

K G Dewey1, R J Cohen, L L Rivera

  • 1Department of Nutrition, University of California at Davis 95616-8669, USA.

Pediatric Research
|February 1, 1996
PubMed
Summary

Exclusive breastfeeding provides adequate protein for infant growth. This study found no difference in growth rates between exclusively breast-fed infants and those receiving complementary foods, even with lower protein intake.

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Area of Science:

  • Pediatrics
  • Nutrition Science
  • Infant Development

Background:

  • Concerns exist regarding potential protein limitations in exclusively breast-fed infants.
  • Infant growth is a critical indicator of health and development.

Purpose of the Study:

  • To investigate if protein intake limits the growth rate of exclusively breast-fed infants compared to those receiving early complementary foods.

Main Methods:

  • A randomized intervention study in Honduras compared exclusively breast-fed infants (EBF) with infants receiving breast milk and solid foods from 4 months.
  • Growth rates (weight and length gain) were analyzed between 4 and 6 months.
  • Subgroup analyses matched infants by energy intake to compare growth at different protein intake levels.

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Main Results:

  • No significant differences in weight or length gain were observed between the EBF group and the group receiving solid foods.
  • Higher protein intake in the complementary feeding group did not correlate with improved growth.
  • Matched analyses confirmed no growth differences despite varying protein intakes.

Conclusions:

  • Protein intake is unlikely to be a limiting factor for the growth of breast-fed infants between 4 and 6 months of age.
  • Exclusive breastfeeding supports adequate infant growth during this period.
  • Early introduction of complementary foods does not enhance growth if protein intake is already sufficient.