Submitted: 26 Feb 2015
Accepted: 04 Aug 2015
ePublished: 25 Oct 2015
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Health Promot Perspect. 2015;5(3): 183-190.
doi: 10.15171/hpp.2015.022
PMID: 26634196
PMCID: PMC4667260
  Abstract View: 824
  PDF Download: 507

Original Research

Vitamin D Status in Preeclamptic and Non-preeclamptic Pregnant Women: A Case-Con­trol Study in the North West of Iran

Bita Sadin 1, Bahram Pourghassem Gargari 2 * , Fatemeh Pourteymour Fard Tabrizi 2

1 Aras International Branch, Tabriz University of Medical Sciences, Tabriz, Iran
2 Nutrition Research Center, Department of Biochemistry and Diet Therapy, Tabriz University of Medical Sciences, Tabriz, Iran


Background: There are few studies on the vitamin D status in preeclamptic women. The objective of this case-control study was to determine vitamin D status, in preeclamptic women and compare it with that of healthy pregnant controls.

Methods: Forty preeclamptic women, aged 18 to 45yr and forty age- and pregnancy weight-matched healthy controls participated in the study. Serum 25-hydroxy vitamin D (25(OH)D) levels were meas­ured and its levels of <10, 10-30, 30-90 and >90 nanogram per milliliter (ng/ml) were considered as vitamin D deficiency, insufficiency, sufficiency, and toxicity, respectively.

Results: Sixty and forty percent of preeclamptic women were vitamin D deficient and insufficient, while in the control group they were 10% and 90%, respectively. No significant difference was found in the median intake of vitamin D between preeclamptic and non preeclamptic women (1.45 and 1.20µg/day respectively), but serum 25(OH)D concentration was significantly lower in preeclamptic cases compared to controls (10.09 ± 6.66 and 15.73 ± 5.85ng /ml respectively, P= 0.002) .

Conclusion: Vitamin D deficiency is common among preeclamptic and non-preeclamptic pregnant women in the north-west of Iran. Preeclampsia can cause decreasing of serum level of 25(OH)D.

Keywords: Vitamin D, 25-Hydroxyvitamin D, pre-eclampsia, pregnancy
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