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Metabolisable energy consumption in the exclusively breast-fed infant aged 3–6 months from the developed world: a systematic review

Reilly, John J and Ashworth, S. and Wells, JCK (2005) Metabolisable energy consumption in the exclusively breast-fed infant aged 3–6 months from the developed world: a systematic review. British Journal of Nutrition, 94 (01). pp. 56-63. ISSN 0007-1145

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Abstract

The present study aimed to evaluate evidence on metabolisable energy consumption and pattern of consumption with age in infants in the developed world who were exclusively breast-fed, at around the time of introducing complementary feeding. We carried out a systematic review aimed at answering three questions: how much milk is transferred from mother to infant?; does transfer increase with the age of the infant?; and what is the metabolisable energy content of breast milk? Thirty-three eligible studies of 1041 mother–infant pairs reported transfer at 3–4 months of age, the weighted mean transfer being 779 (SD 40) g/d. Six studies (99 pairs) measured transfer at 5 months, with a weighted mean transfer of 827 (SD 39) g/d. Five studies (72 pairs) measured milk transfer at 6 months, reporting a weighted mean transfer of 894 (SD 87) g/d. Nine longitudinal studies reported no significant increases in milk transfer after 2–4 months. Twenty-five studies on breast-milk energy content were based on 777 mother–infant pairs. The weighted mean metabolisable energy content was 2·6 (SD 0·2) kJ/g. Breast-milk metabolisable energy content is probably lower, and breast-milk transfer slightly higher, than is usually assumed. Longitudinal studies do not support the hypothesis that breast-milk transfer increases markedly with age. More research on energy intake in 5–6-month-old exclusively breast-fed infants is necessary, and information on the metabolisability of breast milk in mid-infancy is desirable. This evidence should inform future recommendations on infant feeding and help to identify research needs in infant energy balance.

Item type: Article
ID code: 36373
Keywords: infant nutrition, breast feeding, complementary feeding, energy metabolism, childhood obesity, Personal health and hygiene, including exercise, nutrition , Child Health. Child health services, Medicine (miscellaneous), Nutrition and Dietetics
Subjects: Medicine > Public aspects of medicine > Personal health and hygiene, including exercise, nutrition
Medicine > Pediatrics > Child Health. Child health services
Department: Faculty of Humanities and Social Sciences (HaSS) > School of Psychological Science and Health > Physical Activity for Health
Related URLs:
    Depositing user: Pure Administrator
    Date Deposited: 08 Dec 2011 11:27
    Last modified: 05 Sep 2014 14:14
    URI: http://strathprints.strath.ac.uk/id/eprint/36373

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