The Journal of Pediatrics
Volume 156, Issue 1 , Pages 29-32, January 2010

Colostrum Ingested during the First Day of Life by Exclusively Breastfed Healthy Newborn Infants

  • Walter Santoro Jr., MD

      Affiliations

    • Hospital das Clínicas de Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
  • ,
  • Francisco Eulógio Martinez, MD

      Affiliations

    • Department of Pediatrics, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
    • Corresponding Author InformationReprint requests: Francisco Eulógio Martinez, Department of Pediatrics, University of São Paulo, Av dos Bandeirantes 3900, 14090-900 Ribeirão Preto, São Paulo, Brazil.
  • ,
  • Rubens Garcia Ricco, MD

      Affiliations

    • Department of Pediatrics, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
  • ,
  • Salim Moysés Jorge, MD

      Affiliations

    • Department of Pediatrics, University of São Paulo, Ribeirão Preto, São Paulo, Brazil

Received 6 January 2009; received in revised form 8 June 2009; accepted 2 July 2009. published online 27 September 2009.

Objective

To determine the mass of colostrum ingested by exclusively breastfed newborn infants during the first 24 hours of extrauterine life.

Study design

Milk ingested during the first 24 hours of life by 90 healthy newborn infants was evaluated by use of a scale with high sensitivity. The masses were measured during 8-hour periods. Associations of the mass measured with prenatal and postnatal variables were tested.

Results

The mass of colostrum ingested was evaluated in 307 feedings, with 3.4±1 feedings recorded per 8-hour period of observation. Mean gain per feeding was 1.5±1.1 g. The daily mass of milk ingested by newborn infants was estimated at 15±11 g. This volume did not show a tendency to increase during the first 24 postnatal hours, nor was it related to perinatal or postnatal factors or to breastfeeding time.

Conclusions

During the first 24 hours of life newborns ingested 15±11 g of milk.

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 This study received funding from CNPq (Brazilian National Research Council). The authors declare no conflicts of interest.

PII: S0022-3476(09)00642-8

doi:10.1016/j.jpeds.2009.07.009

The Journal of Pediatrics
Volume 156, Issue 1 , Pages 29-32, January 2010