Maternal vitamin D insufficiency and risk of adverse pregnancy and birth outcomes: A systematic review and meta-analysis of longitudinal studies

A Kofi Amegah, Moses K Klevor and Carol L Wagner

PLOS ONE, 2017, vol. 12, issue 3, 1-22

Abstract: Background: Three previous reviews on the association of vitamin D insufficiency in pregnancy with preterm birth (PTB) and stillbirth were limited in scope and deemed inconclusive. With important new evidence accumulating, there is the need to update the previous estimates and assess evidence on other clinically important outcomes such as spontaneous abortion and Apgar score. We conducted a systematic review and meta-analysis to evaluate the quality and strength of the available evidence on the relations between vitamin D nutritional status, and pregnancy and birth outcomes. Methods: PubMed and Scopus databases were searched from their inception to June, 2015 with no language restrictions imposed. Eighteen longitudinal studies satisfied the inclusion criteria. Random effects model was applied in computing the summary effect estimates and their corresponding 95% confidence intervals. Results: Serum 25(OH)D levels

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0173605

DOI: 10.1371/journal.pone.0173605

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