RT Journal Article T1 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. A1 Rogne, Tormod A1 Tielemans, Myrte J A1 Chong, Mary Foong-Fong A1 Yajnik, Chittaranjan S A1 Krishnaveni, Ghattu V A1 Poston, Lucilla A1 Jaddoe, Vincent W V A1 Steegers, Eric A P A1 Joshi, Suyog A1 Chong, Yap-Seng A1 Godfrey, Keith M A1 Yap, Fabian A1 Yahyaoui, Raquel A1 Thomas, Tinku A1 Hay, Gry A1 Hogeveen, Marije A1 Demir, Ahmet A1 Saravanan, Ponnusamy A1 Skovlund, Eva A1 Martinussen, Marit P A1 Jacobsen, Geir W A1 Franco, Oscar H A1 Bracken, Michael B A1 Risnes, Kari R K1 low birth weight K1 pregnancy K1 preterm birth K1 systematic review K1 vitamin B12 AB Vitamin B12 (hereafter referred to as B12) deficiency in pregnancy is prevalent and has been associated with both lower birth weight (birth weight YR 2017 FD 2017 LK https://hdl.handle.net/10668/25501 UL https://hdl.handle.net/10668/25501 LA en DS RISalud RD Apr 6, 2025