Association of AirPollution and Vitamin D Deficiency in Pregnant Mothers and Newborns in a Sunny Region
Vitamin D is one of the essential ingredients in terms of metabolic and physiological processes in the human body.25-Hydroxyvitamin D[25(OH)D] is the most sensitive index of vitamin D status and reflective of its dietary intake and skin production. Considering the importance of vitamin D in human body, especially in pregnant women and in turn in their infants, the present study was conductedto examine the association of air pollution with serum 25(OH)Din pregnant women and in the umbilical cord of their newborns. This cross-sectional study was conducted in 2012 in Isfahan, Iran. This study comprised 100 pregnant women and their newborns. The air quality index (AQI) was registered. The associations of AQI and 25(OH)D were assessed by multiple linear regression. The independent inverse association of 25(OH)D with air quality can explain the high prevalence of hypovitaminosis D in pregnant women living in this sunny region.
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