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ISSN 0185-3252 (Print)
Revista de la Asociación Médica del Centro Médico ABC

2012, Number 3

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An Med Asoc Med Hosp ABC 2012; 57 (3)

Weight loss in low risk neonates before discharge from the nursery

Tavera HM, Zamorano JCA, Richheimer WR

Language: Spanish
References: 26
Page: 178-184
PDF size: 59.37 Kb.


ABSTRACT

There are few studies on weight variation in healthy newborns older than 35 weeks gestation. The objective of this study was to compare birth weight and weight loss in these neonates during their hospital stay; according to gender, gestational age and type of feeding. Results: We analyzed 865 newborns; 408 (47.2%) were female and 457 (52.8%) male, with mean gestational age of 38.5 ± 1.2 weeks and mean birth weight of 3,055.6 ± 410.2 grams. Male newborns had higher birth weight than their female counterparts. Ninety-one percent had a mean weight loss of 4.3 ± 2.2% after 72 hours, with no statistically significant difference between genders. Neonates who were mainly breast-fed, lost more weight at 24 and 48 hours (4.6, 4.9 and 5.4% respectively) than those who were mainly formula-fed (2.8, 3.9 and 4% respectively). Conclusions: Weight loss in newborns is a common event in the first week of life and it was higher in newborns who were breast-fed than in those who were mainly formula-fed. An important proportion of this normal weight loss occurs during the first three days after birth.


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