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Journal of Tropical Pediatrics 1989 35(5):247-249; doi:10.1093/tropej/35.5.247
© 1989 by Oxford University Press
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Newborns Vitamin A in Relation to Sex and Birth Weight

Maryam B. Yassai, MSc and F. Malek, MSc

Department of Human Nutrition, Institute of Nutrition Sciences and Food Technology Tehran, Iran

Correspondence: Maryam Banou Yassai, Department of Human Nutrition, Institute of Nutrition Sciences and Food Technology, P.O. Box 19395/4741, Tehran, Iran.

Cord serum vitamin A values were determined in 256 male and 294 female neonates born in Tehran. The mean cord serum vitamin A values (µg/dl ± SD) was 24.04 ±6.87 and ranged from 3.16 to 49.71 µg/dl. Males had significantly lower mean cord serum vitamin A values than females (P< 0.001), and the prevalence of low serum vitamin A (below 20 µg/dl) was higher in male neonates than female ones (35 and 21 per cent, respectively). Serum retinol values increased gradually with birth weight. The mean serum vitamin A for premature neonates was significantly lower than term neonates. A significant r value for the linear correlation between cord serum retinol and parity was obtained for mothers aged more than 35 years.


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