A Crosssectional Study Of 25 Hydroxy Vitamin D And Parathroid Hormone Status During Pregnancy In Ankara Turkey

Abstract

Aim: Vitamin D deficiency is common during pregnancy. We aimed toassess the incidence of vitamin D deficiency and vitamin supplementationrates during pregnancy in a relatively large cohort of pregnant Turkishwomen.Material and Methods: Pregnant women who admitted to the antenatalfollow-up clinic between June and December 2013 fulfilled a surveywhich includes information about eating habits, lifestyleand vitaminsupplementation. Blood samples were obtained to measure vitamin Dand Parathyroid hormone levels from the pregnant who gave a writtenconsent.Results: A total of 1088 pregnant women were analyzed. Mean vitaminD concentration was 17.5±9.9 ng/mL and PTH was 18.7±11.4 pg/ml. Vitamin D deficiency (< 20 ng/ml) was observed in 693 (63.6 %)women. Five (0.45%) women received vitamin D supplementation alone,71 (6.5 %) received multivitamins. Multi-nominal logistic regressionanalysis revealed that, summer season (OR: 92.7, 95% CI 36.4-236;p<0.01), vitamin supplementation (OR: 2.5, 95% CI 1.2-5.2; p=0.01)and sun exposure (OR: 6,4,95% CI 1.29-28.2; p=0,02) are protective.Conclusion: Our results suggests that even with the seasonal changes,Vitamin D deficiency is a common health problem also in Turkey anda considerably few women get vitamin supplementation despite thenational guidelines.