Vitamin D supplementation during pregnancy: state of the evidence from a systematic review of randomised trials.

ABSTRACT: Objectives To estimate the effects of vitamin D supplementation during pregnancy on 11 maternal and 27 neonatal/infant outcomes; to determine frequencies at which trial outcome data were missing, unreported, or inconsistently reported; and to project the potential contributions of registered ongoing or planned trials.Design Systematic review and meta-analysis of randomised controlled trials; systematic review of registered but unpublished trials.Data sources Medline, Embase, PubMed, Cochrane Database of Systematic Reviews, and Cochrane Central Register of Controlled Trials from inception to September 2017; manual searches of reference lists of systematic reviews identified in the electronic search; and online trial registries for unpublished, ongoing, or planned trials

SUBMITTER: Roth DE 

PROVIDER: S-EPMC5706533 | biostudies-literature | 2017 Nov

REPOSITORIES: biostudies-literature