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   Prenatal vitamin use and vitamin D status during pregnancy, differences by race and overweight status  
   
نویسنده Burris H H ,Thomas A ,Zera C A ,McElrath T F
منبع journal of perinatology - 2015 - دوره : 35 - شماره : 4 - صفحه:241 -245
چکیده    Objective:we aimed to study whether prenatal vitamin (pnv) use protects against low 25-hydroxyvitamin d (25[oh]d) levels in all women and particularly in obese and black women who are both at risk of vitamin d deficiency and poor pregnancy outcomes.study design:we studied 1019 women enrolled in a prospective study at brigham and women’s hospital in boston, from 2007 to 2009. we used multivariable logistic regression to analyze associations of pnv use and odds of vitamin d deficiency defined as 25[oh]d levels <50 nmol l−1.result:in all, 56% of black and 86% of white women reported pre- and/or postconceptional pnv use. in the first trimester, 75% of black and 19% of white women were vitamin d deficient. lack of pnv use among black women was not associated with vitamin d deficiency (adjusted odds ratio (or) 1.0, 95% confidence interval (ci) 0.4, 2.3) but was among white women (or 3.5, 95% ci 2.1, 5.8) (interaction p<0.01).conclusions:ongoing trials of vitamin d supplementation during pregnancy should consider potential effect modification by race/ethnicity.
آدرس Harvard Medical School, Department of Neonatology, Division of Newborn Medicine, Department of Pediatrics, USA, Brigham and Women's Hospital, Division of Maternal Fetal Medicine, USA, Brigham and Women's Hospital, Division of Maternal Fetal Medicine, USA. Harvard Medical School, Division of Maternal Fetal Medicine, Department of Obstetrics, USA, Brigham and Women's Hospital, Division of Maternal Fetal Medicine, USA. Harvard Medical School, Division of Maternal Fetal Medicine, Department of Obstetrics, USA
 
     
   
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