Volume 13, Issue 11 (11-2015)                   IJRM 2015, 13(11): 687-696 | Back to browse issues page

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Mojibian M, Soheilykhah S, Fallah Zadeh M A, Jannati Moghadam M. The effects of vitamin D supplementation on maternal and neonatal outcome: A randomized clinical trial. IJRM 2015; 13 (11) :687-696
URL: http://ijrm.ir/article-1-606-en.html
The effects of vitamin D supplementation on maternal and neonatal outcome: A randomized clinical trial
Mahdieh Mojibian1 , Sedigheh Soheilykhah * 2, Mohammad Ali Fallah Zadeh3 , Maryam Jannati Moghadam4
1- Department of Obstetrics and Gynecology, Shahid Sadoughi Hospital, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
2- Department of Endocrine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran , s_soheilykhah@yahoo.com
3- Shahid Sadoughi University of Medical Sciences, Yazd, Iran
4- Department of Obstetrics and Gynecology, Mojibian Hospital, Yazd, Iran
Abstract:   (8820 Views)
Background: Vitamin D supplementation during pregnancy has been supposed to defend against adverse gestational outcomes. Objective: This randomized clinical trial study was conducted to assess the effects of 50,000 IU of vitamin D every two weeks supplementation on the incidence of gestational diabetes (GDM), gestational hypertension, preeclampsia and preterm labor, vitamin D status at term and neonatal outcomes contrasted with pregnant women that received 400 IU vitamin D daily. Materials and Methods: 500 women with gestational age 12-16 weeks and serum 25 hydroxy vitamin D (25 (OH) D ) less than 30 ng/ml randomly categorized in two groups. Group A received 400 IU vitamin D daily and group B 50,000 IU vitamin D every 2 weeks orally until delivery. Maternal and Neonatal outcomes were assessed in two groups. Results: The incidence of GDM in group B was significantly lower than group A (6.7% versus 13.4%) and odds ratio (95% Confidence interval) was 0.46 (0.24-0.87) (P=0.01). The mean ± SD level of 25 (OH) D at the time of delivery in mothers in group B was significantly higher than A (37.9 ± 19.8 versus 27.2 ± 18.8 ng/ml, respectively) (P=0.001). There were no differences in the incidence of preeclampsia, gestational hypertension, preterm labor, and low birth weight between two groups. The mean level of 25 (OH) D in cord blood of group B was significantly higher than group A (37.9 ± 18 versus 29.7 ± 19ng/ml, respectively). Anthropometric measures between neonates were not significantly different. Conclusion: Our study showed 50,000 IU vitamin D every 2 weeks decreased the incidence of GDM.
Keywords: Vitamin D, Pregnancy outcome, Gestational diabetes.
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