2023
Gestational age at birth and hospitalisations for infections among individuals aged 0–50 years in Norway: a longitudinal, register-based, cohort study
Nilsen S, Valand J, Rogne T, Asheim A, Yin W, Metsälä J, Opdahl S, Døllner H, Damås J, Kajantie E, Solligård E, Sandin S, Risnes K. Gestational age at birth and hospitalisations for infections among individuals aged 0–50 years in Norway: a longitudinal, register-based, cohort study. EClinicalMedicine 2023, 62: 102108. PMID: 37538542, PMCID: PMC10393616, DOI: 10.1016/j.eclinm.2023.102108.Peer-Reviewed Original ResearchInfectious Diseases GroupRespiratory tract infectionsLower gestational age groupGestational age groupsGestational ageDisease groupCohort studyUniversity HospitalRate ratioAge groupsInfectious diseasesHigher hospitalisation risksHospitalisation rate ratiosNationwide hospital dataRisk of hospitalisationSt. Olavs University HospitalSigrid Jusélius FoundationYear of birthHospitalisation riskLate pretermPreterm birthSecondary outcomesTract infectionsPrimary outcomeChildhood infections
2017
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 T, Tielemans MJ, Chong MF, Yajnik CS, Krishnaveni GV, Poston L, Jaddoe VW, Steegers EA, Joshi S, Chong YS, Godfrey KM, Yap F, Yahyaoui R, Thomas T, Hay G, Hogeveen M, Demir A, Saravanan P, Skovlund E, Martinussen MP, Jacobsen GW, Franco OH, Bracken MB, Risnes KR. 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. American Journal Of Epidemiology 2017, 185: 212-223. PMID: 28108470, PMCID: PMC5390862, DOI: 10.1093/aje/kww212.Peer-Reviewed Original ResearchConceptsLow birth weightPreterm birthBirth weightB12 deficiencyIndividual participant dataB12 concentrationsHigh riskSystematic reviewParticipant dataMaternal B12 levelsLinear associationVitamin B12 supplementationVitamin B12 deficiencyOffspring birth weightVitamin B12 concentrationsLength of gestationB12 levelsB12 supplementationMaternal serumMaternal levelsEligible studiesCurrent evidencePregnancyMeta-AnalysisBirth