relationship between vitamin d and preeclampsia in pregnant women: a comparative descriptive study

Aims: pregnancy poisoning or preeclampsia is a serious and specific disorder of pregnancy that affects 8% of the pregnant women. similar studies conducted in this regard showed disagreement about the relationship between vitamin d deficiency and preeclampsia. hence, the present study was conducted to evaluate the serum level of vitamin d in preeclampsia patients hospitalized in the maternity ward compared to healthy pregnant women.instruments & methods: this descriptive comparative study was conducted on 180 pregnant women with a severe preeclampsia below the gestational age of 33 weeks and 200 non-preeclampsia pregnant women in yasuj city from 2017 to 2019. blood samples were taken from all subjects to measure vitamin d levels. the levels of 25-hydroxy vitamin d were measured in the laboratory using the elisa method. data were analyzed using spss 20 software.findings: there was no significant difference between the preeclampsia group and healthy pregnant women in terms of mean levels of vitamin d (p=0.49). preeclamptic women with normal level of vitamin d and vitamin d deficiency showed no significant differences in the mean of uric acid, systolic blood pressure, diastolic blood pressure, and the number of previous pregnancies (p>0.05).conclusion: there is no relationship between serum vitamin d3 levels and hypertensive conditions of pregnancy such as preeclampsia in pregnant women. also, vitamin d3 levels are insufficient in both groups.