Intake and growth of breast-fed and formula-fed infants in relation to the timing of introduction of complementary foods: The DARLING study

M. J. Heinig, L. A. Nommsen, J. M. Peerson, B. Lonnerdal, K. G. Dewey

Research output: Contribution to journalArticle

103 Citations (Scopus)

Abstract

We examined if the timing of introduction of solid foods was related to growth, intake, morbidity, activity or motor development among infants either breast fed or formula fed until ≥12 months of age. Breast-fed infants given solids before 6 months of age (earlysol) consumed less breast milk at 6 and 9 months of age than those given solids ≥6 months (latesol); thus total energy intake did not differ between groups. Z scores for weight, length and weight- for-length at 1-18 months did not differ between groups. Latesol infants gained less weight from 6 to 9 months but not during any other interval. Neither activity level nor morbidity differed between groups, but several developmental milestones occurred earlier in the earlysol versus the latesol group, probably due to reverse causation. Among formula-fed infants, timing of introduction of solid foods was not related to intake, growth, activity or morbidity. We conclude that solid foods given before 6 months of age generally replace the milk source among breast-fed but not formula-fed infants.

Original languageEnglish (US)
Pages (from-to)999-1006
Number of pages8
JournalActa Paediatrica, International Journal of Paediatrics
Volume82
Issue number12
StatePublished - 1993

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Infant Formula
Breast
Morbidity
Weights and Measures
Food
Growth
Human Milk
Child Development
Energy Intake
Causality
Milk
Motor Activity

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Intake and growth of breast-fed and formula-fed infants in relation to the timing of introduction of complementary foods : The DARLING study. / Heinig, M. J.; Nommsen, L. A.; Peerson, J. M.; Lonnerdal, B.; Dewey, K. G.

In: Acta Paediatrica, International Journal of Paediatrics, Vol. 82, No. 12, 1993, p. 999-1006.

Research output: Contribution to journalArticle

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