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Link between maternal 25-hydroxyvitamin D concentrations and preeclampsia risk

Preeclampsia risk Preeclampsia risk
Preeclampsia risk Preeclampsia risk

The main focus of this systematic review and meta-analysis was to explore the link between maternal concentrations of vitamin D (25-hydroxyvitamin D) and the occurrence of preeclampsia (one of the most common causes of maternal mortality worldwide). Furthermore, the effects of supplementing vitamin D on the incidence of preeclampsia were also analyzed.

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Key take away

Low maternal concentrations of 25-hydroxyvitamin D (<25 nmol/l, <50 nmol/l, and <75 nmol/L) raise preeclampsia risk, whereas supplementation with 25-hydroxyvitamin D reduces the likelihood of preeclampsia.

Background

The main focus of this systematic review and meta-analysis was to explore the link between maternal concentrations of vitamin D (25-hydroxyvitamin D) and the occurrence of preeclampsia (one of the most common causes of maternal mortality worldwide). Furthermore, the effects of supplementing vitamin D on the incidence of preeclampsia were also analyzed.

Method

A comprehensive investigation was conducted utilizing the Medline database. Thirty-four papers, ten randomized controlled trials and twenty-four observational studies were included. The studies included in the analysis investigated the connection between deficiency in 25-hydroxyvitamin D and preeclampsia, as well as the influence of supplementing 25-hydroxyvitamin D on the occurrence of preeclampsia. The outcomes were presented through a random-effects meta-analysis and the Mantel-Haenszel odds ratio. For the assessment, a p-value of <0.05 was deemed significant.

Result

Supplementing with 25-hydroxyvitamin D was found to be significantly linked to a reduced risk of preeclampsia in pregnant women (Odds Ratio [OR]: 0.50; 95% Confidence Interval [CI]: 0.40-0.63; p = 0.00001). Conversely, 25-hydroxyvitamin D deficiency was substantially associated with an elevated risk of preeclampsia (OR: 4.30; 95% CI: 2.57-7.18; p < 0.00001, OR: 1.71; 95% CI: 1.27-2.32; p = 0.0005, OR 1.61; 95% CI: 1.21-2.16; p = 0.001).

Conclusion

The findings established a vital connection between the heightened risk of preeclampsia and low maternal levels of 25-hydroxyvitamin D. Furthermore, vitamin D use substantially diminished the occurrence of preeclampsia. Hence, this supplementation could be considered as a potential intervention strategy in preventing preeclampsia.

Source:

Sage Journals

Article:

Vitamin D and preeclampsia: A systematic review and meta-analysis

Authors:

Abdulla AlSubai et al.

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