Associations of Maternal Vitamin B12 Concentration in Pregnancy With the Risks of Preterm Birth and Low Birth Weight: A Systematic Review and Meta-Analysis of Individual Participant Data.

Rogne, TormodTielemans, Myrte JChong, Mary Foong-FongYajnik, Chittaranjan SKrishnaveni, Ghattu VPoston, LucillaJaddoe, Vincent W VSteegers, Eric A PJoshi, SuyogChong, Yap-SengGodfrey, Keith MYap, FabianYahyaoui, RaquelThomas, TinkuHay, GryHogeveen, MarijeDemir, AhmetSaravanan, PonnusamySkovlund, EvaMartinussen, Marit PJacobsen, Geir WFranco, Oscar HBracken, Michael BRisnes, Kari R2025-01-072025-01-072017https://hdl.handle.net/10668/25501Vitamin B12 (hereafter referred to as B12) deficiency in pregnancy is prevalent and has been associated with both lower birth weight (birth weightenlow birth weightpregnancypreterm birthsystematic reviewvitamin B12Birth WeightFemaleHumansInfant, Low Birth WeightInfant, NewbornPregnancyPregnancy ComplicationsPremature BirthRisk FactorsVitamin B 12Vitamin B 12 DeficiencyAssociations of Maternal Vitamin B12 Concentration in Pregnancy With the Risks of Preterm Birth and Low Birth Weight: A Systematic Review and Meta-Analysis of Individual Participant Data.research article28108470open access10.1093/aje/kww2121476-6256PMC5390862https://academic.oup.com/aje/article-pdf/185/3/212/24329506/kww212.pdfhttps://pmc.ncbi.nlm.nih.gov/articles/PMC5390862/pdf