Introduction:

vitamin D deficiency (VDD) has been associated with depressive symptoms in pregnancy and postpartum, which can result in increased adverse outcomes in the maternal-infant segment. A possible explanation in the literature is VDD relationship with genetic and neurological mechanisms.

Objective:

to evaluate VDD relationship with gestational and postpartum depression.

Methods:

this review followed the recommendations proposed by the Preferred Reporting Items for Systematic Reviews and Meta-Analysis. Research was conducted in electronic databases, PubMed and LILACS, including studies of the analytical type (cross-sectional and longitudinal), systematic reviews, meta-analyses, and controlled clinical trials carried out in humans; inclusion and exclusion criteria were applied.

Results and conclusions:

in this systematic review, eight articles were analyzed comprising 8,583 women from seven different countries. Among the selected articles, six found an association between VDD and gestational and postpartum depression. Considering the data collection, it was possible to conclude that there is a probable relationship between VDD and a higher predisposition to gestational and postpartum depression. Also, we concluded that vitamin D supplementation has proven to be a promising strategy for reducing the risk of depressive symptoms.

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