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The Journal of Health, Population and Nutrition
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ISSN: 1606-0997 EISSN: 1606-0997
Vol. 32, No. 1, 2014, pp. 28-35
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Bioline Code: hn14004
Full paper language: English
Document type: Research Article
Document available free of charge
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The Journal of Health, Population and Nutrition, Vol. 32, No. 1, 2014, pp. 28-35
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Serum Retinol Concentrations in Mothers and Newborns at Delivery in a Public Maternity Hospital in Recife, Northeast Brazil
Fernandes, Taciana Fernanda dos Santos; Andreto, Luciana Marques; Vieira, Carmina Silva dos Santos; Arruda, Ilma Kruze Grande de & Diniz, Alcides da Silva
Abstract
Serum retinol concentrations were compared in a consecutive series of 65 mother-newborn pairs at delivery
in a public maternity hospital in Recife, Brazil, from January to August 2008 and examined their association
with biological, socioeconomic, environmental and obstetrical characteristics. Serum retinol concentrations
of the newborns (umbilical cord) and mothers (brachial venipuncture) were analyzed by highperformance
liquid chromatography. Prevalence of low (<0.70 μmol/L) and inadequate (<1.05 μmol/L)
serum retinol concentrations were observed in 23.1% (95% CI 13.9-35.5) and 23.0% (95% CI 13.5-35.8)
among newborns and mothers respectively. The serum retinol distribution was lower in male than female
infants (-0.4 μmol/L, p=0.01) and, across both sexes, concentrations in paired newborn and mother were
correlated (r=0.27, p=0.04). Further, maternal status explains only 7% of the variance in retinol concentrations
in newborn’s cord plasma. Among mothers delivering in public facilities in Recife, hypovitaminosis
may exist.
Keywords
Case series; Mother-infant dyad; Serum retinol; Vitamin A deficiency; Brazil
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