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 ResearchMeSH KeywordsBirth WeightFemaleHumansInfant, Low Birth WeightInfant, NewbornPregnancyPregnancy ComplicationsPremature BirthRisk FactorsVitamin B 12Vitamin B 12 DeficiencyConceptsLow 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
2015
Case–control studies require appropriate population controls: an example of error in the SSRI birth defect literature
Bracken MB. Case–control studies require appropriate population controls: an example of error in the SSRI birth defect literature. European Journal Of Epidemiology 2015, 30: 1217-1218. PMID: 26518772, DOI: 10.1007/s10654-015-0097-3.Commentaries, Editorials and LettersFolic acid supplementation in early pregnancy and the risk of preeclampsia, small for gestational age offspring and preterm delivery
Martinussen MP, Bracken MB, Triche EW, Jacobsen GW, Risnes KR. Folic acid supplementation in early pregnancy and the risk of preeclampsia, small for gestational age offspring and preterm delivery. European Journal Of Obstetrics & Gynecology And Reproductive Biology 2015, 195: 94-99. PMID: 26500184, PMCID: PMC4684439, DOI: 10.1016/j.ejogrb.2015.09.022.Peer-Reviewed Original ResearchMeSH KeywordsAdultCohort StudiesFemaleFolic AcidHumansInfant, Low Birth WeightInfant, NewbornInfant, Small for Gestational AgeObesityOdds RatioPre-EclampsiaPregnancyPregnancy ComplicationsPregnancy Trimester, FirstPremature BirthProspective StudiesProtective FactorsRisk FactorsVitamin B ComplexYoung AdultConceptsFolic acid supplementationLow birth weightFolic acid intakePreterm birthAcid supplementationFirst trimesterLean mothersBirth weightAcid intakeEarly pregnancyOdds ratioGestational age offspringProspective cohort studyFolic acid supplementsFolic acid usePregnancy outcome dataRisk of preeclampsiaPossible protective effectMonths of pregnancyObese mothersPreterm deliveryCohort studyObstetric recordsAge offspringFolate intake
2014
Asthma medication use during pregnancy, wheeze and estimated exposure to ambient nitrogen dioxide
Gent JF, Kezik JM, Hill ME, McKay LA, Holford TR, Leaderer BP, Bracken MB. Asthma medication use during pregnancy, wheeze and estimated exposure to ambient nitrogen dioxide. European Respiratory Journal 2014, 45: 538-540. PMID: 25537555, PMCID: PMC4331059, DOI: 10.1183/09031936.00161514.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAir Pollution, IndoorAsthmaFemaleHumansHypoxiaNitrogen DioxidePregnancyPregnancy ComplicationsRespiratory SoundsRisk FactorsYoung AdultConceptsAsthma medication useMedication usePregnant womenRisk of wheezePoor pulmonary functionAdverse health outcomesPregnant asthmaticsAsthma exacerbationsAsthma medicationsPerinatal complicationsPulmonary functionFetal growthHealth outcomesPregnancyNO2 exposureWheezeAsthmaMedicationsWomenAmbient nitrogen dioxideMothersMinimal effectExposureAsthmaticsExacerbationLow-to-moderate prenatal alcohol consumption and the risk of selected birth outcomes: a prospective cohort study
Lundsberg LS, Illuzzi JL, Belanger K, Triche EW, Bracken MB. Low-to-moderate prenatal alcohol consumption and the risk of selected birth outcomes: a prospective cohort study. Annals Of Epidemiology 2014, 25: 46-54.e3. PMID: 25453352, PMCID: PMC4255148, DOI: 10.1016/j.annepidem.2014.10.011.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlcohol DrinkingConfidence IntervalsConfounding Factors, EpidemiologicConnecticutFemaleFetal Growth RetardationGestational AgeHumansInfant, Low Birth WeightInfant, NewbornLogistic ModelsMassachusettsMaternal-Fetal ExchangeOdds RatioPregnancyPregnancy ComplicationsPregnancy OutcomePremature BirthProspective StudiesRisk FactorsConceptsIntrauterine growth restrictionLow birthweightPreterm deliveryBirth lengthBirth outcomesGrowth restrictionAlcohol exposureOdds ratioLower oddsModerate prenatal alcohol exposureModerate alcohol exposureThird-trimester drinkingProspective cohort studyMultivariable logistic regressionConfidence intervalsPrenatal alcohol consumptionPrenatal alcohol exposurePregnancy drinkingNeonatal outcomesPerinatal outcomesSingleton infantsCohort studyAlcohol drinkingReduced oddsHead circumference
1998
Maternal anthropometric factors and risk of primary cesarean delivery.
Shepard M, Saftlas A, Leo-Summers L, Bracken M. Maternal anthropometric factors and risk of primary cesarean delivery. American Journal Of Public Health 1998, 88: 1534-8. PMID: 9772858, PMCID: PMC1508477, DOI: 10.2105/ajph.88.10.1534.Peer-Reviewed Original ResearchConceptsBody mass indexCesarean deliveryPrimary cesarean deliveryMass indexWeight gainPrepregnancy weightProportional weight gainUnderweight womenPrepregnancy body mass indexBody mass index groupsHigher body mass indexMaternal anthropometric factorsGestational weight gainOutcome risk factorsGreater New HavenAbsolute weight gainSingleton deliveriesGestational weightVaginal deliveryProspective studyPrimary cesareanRisk factorsRelative riskAnthropometric factorsIndex group
1997
Low-to-moderate gestational alcohol use and intrauterine growth retardation, low birthweight, and preterm delivery
Lundsberg L, Bracken M, Saftlas A. Low-to-moderate gestational alcohol use and intrauterine growth retardation, low birthweight, and preterm delivery. Annals Of Epidemiology 1997, 7: 498-508. PMID: 9349918, DOI: 10.1016/s1047-2797(97)00081-1.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlcohol DrinkingCohort StudiesConfounding Factors, EpidemiologicConnecticutFemaleFetal Growth RetardationGestational AgeHumansInfant, Low Birth WeightInfant, NewbornLogistic ModelsMaternal-Fetal ExchangeMultivariate AnalysisObstetric Labor, PrematurePregnancyPregnancy ComplicationsPregnancy OutcomeProspective StudiesRisk FactorsSmokingConceptsIntrauterine growth retardationPreterm deliveryLow birthweightGrowth retardationMild drinkingProtective effectAlcohol useYale-New Haven HospitalGestational alcohol useAdverse perinatal outcomesModerate alcohol consumptionSingleton live birthsObserved protective effectFetal alcohol syndromeNeonatal outcomesPerinatal outcomesAbsolute alcoholMonth 7Alcohol drinkingProspective InvestigationRisk factorsMonths 1Live birthsLight drinkingAlcohol syndrome
1993
Possible Role of Asthma in the Risk of Preterm Labor and Delivery
Doucette J, Bracken M. Possible Role of Asthma in the Risk of Preterm Labor and Delivery. Epidemiology 1993, 4: 143-150. PMID: 8452903, DOI: 10.1097/00001648-199303000-00010.Peer-Reviewed Original ResearchConceptsPreterm laborPreterm deliveryRespiratory problemsOdds ratioHistory of asthmaLogistic regression modelsAsthmatic womenSingleton livebirthsPotential confoundersMaternal historyMedical historyHigh riskStudy participantsAsthmaPregnancyAsthmaticsWomenRiskPossible roleRegression modelsOddsDeliveryNonasthmaticsBirthweightLivebirths
1992
The relationship between acute inflammatory lesions of the preterm placenta and amniotic fluid microbiology
Romero R, Salafia C, Athanassiadis A, Hanaoka S, Mazor M, Sepulveda W, Bracken M. The relationship between acute inflammatory lesions of the preterm placenta and amniotic fluid microbiology. American Journal Of Obstetrics And Gynecology 1992, 166: 1382-1388. PMID: 1595794, DOI: 10.1016/0002-9378(92)91609-e.Peer-Reviewed Original ResearchMeSH KeywordsAmnionAmniotic FluidBacteriaChorioamnionitisChorionDeciduaFemaleHumansInflammationPlacenta DiseasesPregnancyPregnancy ComplicationsUmbilical CordConceptsAcute inflammatory lesionsPositive amniotic fluid cultureAmniotic fluid cultureInflammatory lesionsFluid cultureAmniotic cavityChorionic plateMicrobial invasionAmniotic fluid microbiologySeverity of inflammationPattern of inflammationMixed patternUmbilical vasculitisPreterm laborConsecutive patientsPreterm placentasAcute inflammationMicrobiologic studiesUmbilical cordInflammationChorioamniotic membranesLesionsStrong associationIntact membranesPlacentaRole of biologic markers in epidemiologic studies of prenatal drug exposure: issues in study design.
Bracken M, Leaderer B, Belanger K. Role of biologic markers in epidemiologic studies of prenatal drug exposure: issues in study design. NIDA Research Monograph 1992, 117: 41-60. PMID: 1620210.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus Statements
1980
The amylase/creatinine clearance ratio in normal pregnancy and pregnancies complicated by pancreatitis, hyperemesis gravidarum, and toxemia
DeVore G, Bracken M, Berkowitz R. The amylase/creatinine clearance ratio in normal pregnancy and pregnancies complicated by pancreatitis, hyperemesis gravidarum, and toxemia. American Journal Of Obstetrics And Gynecology 1980, 136: 747-754. PMID: 6153508, DOI: 10.1016/0002-9378(80)90451-2.Peer-Reviewed Original ResearchMeSH KeywordsAdultAmylasesCreatinineFemaleGestational AgeHumansHyperemesis GravidarumPancreatitisPre-EclampsiaPregnancyPregnancy ComplicationsConceptsHyperemesis gravidarumEpigastric painClinical diagnosisAmylase/creatinine clearance ratioCreatinine clearance ratioDiagnosis of pancreatitisCaM/Pregnant patientsCreatinine clearanceNonpregnant patientsNonpregnant valuesNormal pregnancyPancreatitisPatientsPregnancyToxemiaGravidarumElevated ratioDiagnosisClearance ratioPainGestationClearance