Objective: The purpose of this study is to establish the prevalence of vitamin D deficiency and their newborns and analyze the risk factors related to this deficiency. Methods: This is an observational, transversal, and prospective study. It included 191 puerperal women and their full-term newborns. Serum 25 hydroxyvitamin D values were analyzes by enzyme immunoassay. Results: 61% of the puerperal presented deficiency and 26% insufficiency of vitamin D. In the newborn group 98% showed deficiency and 66% of them presented severe deficiency. There is a positive correlation between the values of vitamin D in mothers and their newborns (r2 = 0.173 ng/ml; p = 0.017). The lowest levels were in autumn. (15.75 ng/mL mothers, 6 ng/mL newborns). There was no correlation between vitamin D levels in mothers and their dietary intake, maternal skin type, sun time exposure and prenatal body mass index. Conclusions: This is the first study that shows the existence of a high deficiency of vitamin D in Mexican mothers and their newborns.
Mayor frecuencia de variantes génicas en el gen de la galactocinasa en una serie de casos del norte de México con galactosemia Higher frequency of gene variants in the galactokinase gene in a series of cases from northern Mexico with galactosemia
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