2024
Mediating Factors in the Association of Maternal Educational Level With Pregnancy Outcomes
Rogne T, Gill D, Liew Z, Shi X, Stensrud V, Nilsen T, Burgess S. Mediating Factors in the Association of Maternal Educational Level With Pregnancy Outcomes. JAMA Network Open 2024, 7: e2351166. PMID: 38206626, PMCID: PMC10784860, DOI: 10.1001/jamanetworkopen.2023.51166.Peer-Reviewed Original ResearchMeSH KeywordsBirth WeightCholesterolCohort StudiesDiabetes Mellitus, Type 2Educational StatusFemaleGenome-Wide Association StudyHumansHyperemesis GravidarumInfant, NewbornLipoproteins, HDLMediation AnalysisMendelian Randomization AnalysisPre-EclampsiaPregnancyPregnancy OutcomePregnancy, EctopicPremature BirthConceptsCardiometabolic risk factorsBody mass indexOffspring birth weightEducational attainmentMendelian randomizationHigh-density lipoprotein cholesterol levelsSystolic blood pressureInverse variance-weighted methodModifiable cardiometabolic risk factorsPregnancy outcomesCohort studyLipoprotein cholesterol levelsMR-Egger regressionMass indexUnivariable MR analysisEffects of educational attainmentAssociated with increased risk of adverse pregnancy outcomesPublic health interventionsMaternal education levelLower educational attainmentRisk factorsRisk of adverse pregnancy outcomesGenome-wide association studiesAssociated with increased riskBirth weight
2023
Season of Conception and Risk of Cerebral Palsy
Zhuo H, Ritz B, Warren J, Liew Z. Season of Conception and Risk of Cerebral Palsy. JAMA Network Open 2023, 6: e2335164. PMID: 37738049, PMCID: PMC10517373, DOI: 10.1001/jamanetworkopen.2023.35164.Peer-Reviewed Original ResearchMeSH KeywordsAdultCerebral PalsyChildCohort StudiesFemaleHumansInfant, NewbornMaleMothersPremature BirthSeasonsConceptsCerebral palsySeason of conceptionCalifornia birth recordsCohort studyPreterm birthRelative riskBirth recordsRisk of CPStatewide cohort studyEtiological risk factorsHigher Social Vulnerability IndexLength of gestationDiagnostic recordsNeighborhood-level factorsSummer conceptionsRisk factorsStratified analysisLive birthsMAIN OUTCOMEHigh riskCP riskPoisson regressionCP statusDevelopmental servicesNeuromotor disabilities
2022
Parental Age and Childhood Risk for Cerebral Palsy in California
Zhou L, Meng Q, von Ehrenstein O, Xiao J, Gao Y, Wu Y, Ritz B, Liew Z. Parental Age and Childhood Risk for Cerebral Palsy in California. The Journal Of Pediatrics 2022, 255: 147-153.e6. PMID: 36372095, PMCID: PMC10121738, DOI: 10.1016/j.jpeds.2022.10.039.Peer-Reviewed Original ResearchConceptsCerebral palsyPaternal ageGreater riskPreterm birthMaternal ageParental ageRisk of CPYoung maternal ageBirth certificate recordsCase-control studyTime of deliveryChildren of mothersOlder paternal ageCP diagnosisPreterm deliveryOffspring riskCertificate recordsCP casesCP riskSingleton controlsAge 20Older mothersAge 25Older ageChildhood risk
2018
Prenatal Exposure to Perfluoroalkyl Substances and Birth Outcomes; An Updated Analysis from the Danish National Birth Cohort
Meng Q, Inoue K, Ritz B, Olsen J, Liew Z. Prenatal Exposure to Perfluoroalkyl Substances and Birth Outcomes; An Updated Analysis from the Danish National Birth Cohort. International Journal Of Environmental Research And Public Health 2018, 15: 1832. PMID: 30149566, PMCID: PMC6164159, DOI: 10.3390/ijerph15091832.Peer-Reviewed Original ResearchConceptsDanish National Birth CohortLow birth weightNational Birth CohortBirth weightPreterm birthBirth outcomesPFASs exposureBirth cohortPrenatal PFASs exposureMaternal plasma concentrationsAdverse birth outcomesPerfluorononanoic acidPerfluorodecanoic acidWidespread industrial pollutantsPerfluoroalkyl substancesPerfluorooctanoate exposureGestational ageHighest quartileInfant pairsEarly pregnancyFetal growthPrenatal exposurePerfluoroheptane sulfonatePlasma concentrationsElevated risk