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
2016
Particulate air pollution, fetal growth and gestational length: The influence of residential mobility in pregnancy
Pereira G, Bracken MB, Bell ML. Particulate air pollution, fetal growth and gestational length: The influence of residential mobility in pregnancy. Environmental Research 2016, 147: 269-274. PMID: 26918840, PMCID: PMC4821760, DOI: 10.1016/j.envres.2016.02.001.Peer-Reviewed Original ResearchConceptsLow birth weightTerm low birth weightPreterm birthWhole pregnancySecond trimesterAddress historiesAdverse perinatal outcomesFetal growth restrictionEffects of PM10Particulate air pollutionPerinatal outcomesGestational agePregnancy cohortGestational lengthPregnant womenRetrospective studyBirth weightFetal growthGrowth restrictionPM10 exposureMaternal addressInsufficient evidencePregnancyLogistic regressionBirthFine Particulates, Preterm Birth, and Membrane Rupture in Rochester, NY
Pereira G, Evans KA, Rich DQ, Bracken MB, Bell ML. Fine Particulates, Preterm Birth, and Membrane Rupture in Rochester, NY. Epidemiology 2016, 27: 66-73. PMID: 26247489, DOI: 10.1097/ede.0000000000000366.Peer-Reviewed Original ResearchConceptsPreterm birthPrelabor ruptureWhole pregnancyOdds ratioSame womenElevated PM2.5 exposureConditional logistic regressionFine particulate exposureIndividual-level confoundersThird trimesterFirst trimesterSecond trimesterPregnancyPM2.5 exposureTrimesterLogistic regressionParticulate exposureBirthLongitudinal studyLow exposureWomen comparisonsMembrane ruptureRuptureWomenExposure
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 ResearchConceptsAsthma medication useMedication usePregnant womenRisk of wheezePoor pulmonary functionAdverse health outcomesPregnant asthmaticsAsthma exacerbationsAsthma medicationsPerinatal complicationsPulmonary functionFetal growthHealth outcomesPregnancyNO2 exposureWheezeAsthmaMedicationsWomenAmbient nitrogen dioxideMothersMinimal effectExposureAsthmaticsExacerbation
2013
Maternal Infection in Pregnancy and Risk of Asthma in Offspring
Collier CH, Risnes K, Norwitz ER, Bracken MB, Illuzzi JL. Maternal Infection in Pregnancy and Risk of Asthma in Offspring. Maternal And Child Health Journal 2013, 17: 1940-1950. PMID: 23338127, DOI: 10.1007/s10995-013-1220-2.Peer-Reviewed Original ResearchConceptsUrinary tract infectionRisk of asthmaChildhood asthmaMaternal infectionTract infectionsMaternal urinary tract infectionMultivariable logistic regression modelAdjusted odds ratioChildren of womenYears of lifeLogistic regression modelsAntepartum infectionChart reviewPhysician diagnosisPregnant womenStreptococcus colonizationHospital visitsOdds ratioAsthmaPregnancyInfectionWomenRiskStructured interviewsAge six
2012
Implementing Provider‐based Sampling for the National Children's Study: Opportunities and Challenges
Belanger K, Buka S, Cherry DC, Dudley DJ, Elliott MR, Hale DE, Hertz‐Picciotto I, Illuzzi JL, Paneth N, Robbins JM, Triche EW, Bracken MB. Implementing Provider‐based Sampling for the National Children's Study: Opportunities and Challenges. Paediatric And Perinatal Epidemiology 2012, 27: 20-26. PMID: 23215706, DOI: 10.1111/ppe.12005.Peer-Reviewed Original ResearchConceptsNational Children's StudyProvider-based samplingChildren's StudyNational cohort studyPrenatal care providersNational probability sampleType of providerProbability sampleCohort studyPrenatal careCare providersChild healthProvider groupsAge 21Risk estimatesPrimary sampling unitsWomenBirthProvidersHealthSampling frameSecondary sampling unitsPregnancyNumber of strategiesUtero
2006
Effect of Fetal Sex on Airway Lability in Pregnant Women With Asthma
Kwon H, Belanger K, Holford T, Bracken M. Effect of Fetal Sex on Airway Lability in Pregnant Women With Asthma. Obstetrical & Gynecological Survey 2006, 61: 430-431. DOI: 10.1097/01.ogx.0000224586.71900.93.Peer-Reviewed Original Research
2001
Maternal Caffeine Intake and Intrauterine Growth Retardation
Grosso L, Rosenberg K, Belanger K, Saftlas A, Leaderer B, Bracken M. Maternal Caffeine Intake and Intrauterine Growth Retardation. Epidemiology 2001, 12: 447-455. PMID: 11428387, DOI: 10.1097/00001648-200107000-00015.Peer-Reviewed Original ResearchConceptsIntrauterine growth retardationMonth 7Fetal growthMonths 1Caffeine consumptionGrowth retardationMaternal caffeine consumptionMaternal caffeine intakeThird trimesterCigarette smokingLiveborn infantsEffect modificationCaffeine intakeSoda drinkingPregnancyAdverse effectsLittle evidenceCaffeine associationCaffeineRetardationTrimesterSmokingInfantsIntakeWomen
2000
Pregnancy outcomes and cardiac complications in women with mechanical, bioprosthetic and homograft valves
Sadler L, McCowan L, White H, Stewart A, Bracken M, North R. Pregnancy outcomes and cardiac complications in women with mechanical, bioprosthetic and homograft valves. BJOG An International Journal Of Obstetrics & Gynaecology 2000, 107: 245-253. PMID: 10688509, DOI: 10.1111/j.1471-0528.2000.tb11696.x.Peer-Reviewed Original ResearchConceptsMitral bioprosthetic valvesMitral mechanical valvesCardiac complicationsPregnancy loss rateAortic homograft valveHomograft valvesPregnancy outcomesBioprosthetic valvesMechanical valvesPregnancy lossHigher pregnancy loss rateHistorical cohort studyStructural valve deteriorationGreenlane HospitalSubcutaneous heparinCardiac outcomesCohort studyThromboembolic complicationsValve replacementValve deteriorationFirst trimesterComplicationsPregnancyMitral siteWarfarin
1998
Spontaneous Abortion and Exposure to Electric Blankets and Heated Water Beds
Belanger K, Leaderer B, Hellenbrand K, Holford T, McSharry J, Power M, Bracken M. Spontaneous Abortion and Exposure to Electric Blankets and Heated Water Beds. Epidemiology 1998, 9: 36-42. PMID: 9430266, DOI: 10.1097/00001648-199801000-00009.Peer-Reviewed Original ResearchConceptsElectric blanket useSpontaneous abortionPregnancy lossBlanket useEarly pregnancy lossHeated water bedsTime of conceptionMonth of conceptionWire code categoriesWeeks' gestationProspective studyEarly pregnancyUnadjusted analysesBed useGreater riskPregnancyAbortionDose responseWomenRiskElectric bedElectric blanketExposureSlight increaseGestation
1996
Tree-based, Two-stage Risk Factor Analysis for Spontaneous Abortion
Zhang H, Bracken M. Tree-based, Two-stage Risk Factor Analysis for Spontaneous Abortion. American Journal Of Epidemiology 1996, 144: 989-996. PMID: 8916510, DOI: 10.1093/oxfordjournals.aje.a008869.Peer-Reviewed Original ResearchConceptsSpontaneous abortionPutative risk factorsRisk factorsPotential confoundersFirst monthYears of smokingNegative pregnancy outcomesNumber of pregnanciesRisk factor analysisNew risk factorsPotential confounding factorsPregnancy outcomesGynecologic problemsMaternal ageMore cupsMother's heightPregnancyConfounding factorsPassive exposureCocaine useLogistic regressionMantel-HaenszelAbortionConfoundersBirth controlMaternal Caffeine Consumption and Spontaneous Abortion: A Prospective Cohort Study
Dlugosz L, Belanger K, Hellenbrand K, Holford T, Leaderer B, Bracken M. Maternal Caffeine Consumption and Spontaneous Abortion: A Prospective Cohort Study. Epidemiology 1996, 7: 250-255. PMID: 8728437, DOI: 10.1097/00001648-199605000-00008.Peer-Reviewed Original ResearchConceptsSpontaneous abortionCaffeine consumptionYale-New Haven HospitalMaternal caffeine consumptionProspective cohort studyCohort studyEarly pregnancyPregnant womenOdds ratioSoda drinkingElevated riskCaffeine beveragesBeverage consumptionCaffeine beverage consumptionCigarette useFirst monthPregnancySixteenth weekObserved associationsAbortionCup of teaCaffeineTeaGestationHospital
1995
EXPOSURE TO ELECTROMAGNETIC FIELDS DURING PREGNANCY WITH EMPHASIS ON ELECTRICALLY HEATED BEDS
Bracken M, Belanger K, Hellenbrand K, Dlugosz L, Holford T, McSharry J, Addesso K, Leaderer B. EXPOSURE TO ELECTROMAGNETIC FIELDS DURING PREGNANCY WITH EMPHASIS ON ELECTRICALLY HEATED BEDS. Epidemiology 1995, 6: 263-270. PMID: 7619934, DOI: 10.1097/00001648-199505000-00013.Peer-Reviewed Original ResearchConceptsFetal growth retardationGrowth retardationBed useIntrauterine growth retardationVideo display terminal useDose-response relationPersonal monitorsEMF exposureTime-weighted analysisMonitoring of exposureThird trimesterProspective studyFetal growthWire codesHome measurementsReproductive outcomesHuman studiesPregnancyStudy designVideo display terminalsExposure measuresHours of useMeaningful increaseRiskExposure
1993
Association of Delayed Conception with Caffeine Consumption
Hatch E, Bracken M. Association of Delayed Conception with Caffeine Consumption. American Journal Of Epidemiology 1993, 138: 1082-1092. PMID: 8266910, DOI: 10.1093/oxfordjournals.aje.a116826.Peer-Reviewed Original ResearchConceptsOdds ratioDelayed conceptionCox proportional hazards modelFirst prenatal visitNumber of cigarettesTotal caffeine intakeCross-sectional studyProportional hazards modelLogistic regression analysisIntake of caffeineConsumption of caffeineCaffeine-containing beveragesRisk of conceptionIndex pregnancyPrenatal visitCaffeine intakeHazards modelCaffeine consumptionCaffeine usePregnancyWomenLower chanceIntakeCycle conception ratesRegression analysisCaffeine Use During Pregnancy: How Much Is Safe?
Hatch E, Bracken M. Caffeine Use During Pregnancy: How Much Is Safe? JAMA 1993, 270: 46-47. DOI: 10.1001/jama.1993.03510010052024.Commentaries, Editorials and LettersPossible 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
1991
Medication in early pregnancy: Prevalence of use and relationship to maternal characteristics
Buitendijk S, Bracken M. Medication in early pregnancy: Prevalence of use and relationship to maternal characteristics. American Journal Of Obstetrics And Gynecology 1991, 165: 33-40. PMID: 1853911, DOI: 10.1016/0002-9378(91)90218-g.Peer-Reviewed Original ResearchConceptsPrescription drug useMaternal characteristicsDrug useYale-New Haven HospitalPrevalence of useMedication useEarly pregnancyCounter medicationsAutonomic drugsDrug usersSmoking marijuanaMedicationsPrescription drugsAntiinfective agentsDrugsWomenMean numberPrescription preparationsPregnancyRisk-taking behaviorNew HavenAnalgesicsAntacidsHospitalInfants
1989
Gestational trophoblastic disease: A case-control study from the People's Republic of China
Brinton L, Wu B, Wang W, Ershow A, Song H, Li J, Bracken M, Blot W. Gestational trophoblastic disease: A case-control study from the People's Republic of China. American Journal Of Obstetrics And Gynecology 1989, 161: 121-127. PMID: 2546427, DOI: 10.1016/0002-9378(89)90248-2.Peer-Reviewed Original ResearchConceptsCase-control studyOral contraceptive usePrevious spontaneous abortionTiming of pregnancyPrevious pregnancyTerm birthsFirst trimesterExcess riskSpontaneous abortionTrophoblastic diseaseFamily historyMedical adviceContraceptive useDietary habitsElevated riskMultiple birthsMore abortionsHerbal medicineComplete hydatidiformCommunity controlsPregnancyRiskAbortionBirthFurther decrease
1988
Exposure to Organic Solvents and Hypertensive Disorders of Pregnancy
Eskenazi B, Bracken M, Holford T, Grady J. Exposure to Organic Solvents and Hypertensive Disorders of Pregnancy. American Journal Of Industrial Medicine 1988, 14: 177-188. PMID: 3207103, DOI: 10.1002/ajim.4700140208.Peer-Reviewed Original ResearchConceptsHypertensive disordersPregnancy complicationsAdverse pregnancy complicationsDisorders of pregnancyPoor neonatal growthNeed of replicationCardiovascular complicationsVaginal bleedingCesarean sectionRenal diseaseGlomerular lesionsNeonatal growthComplicationsLarger sample sizePregnancySolvent exposureWomenHypertensionPreeclampsiaProteinuriaDisordersEdemaExposureSample sizeAdditional support
1987
THE ASSOCIATION BETWEEN LOW BIRTH WEIGHT AND CAFFEINE CONSUMPTION DURING PREGNANCY
MARTIN T, BRACKEN M. THE ASSOCIATION BETWEEN LOW BIRTH WEIGHT AND CAFFEINE CONSUMPTION DURING PREGNANCY. American Journal Of Epidemiology 1987, 126: 813-821. PMID: 3661529, DOI: 10.1093/oxfordjournals.aje.a114718.Peer-Reviewed Original ResearchConceptsLow birth weightBirth weightGestational ageCaffeine intakeCaffeine consumptionYale-New Haven HospitalMaternal caffeine intakeMean birth weightWeeks gestational ageAntenatal patientsSingleton newbornsTerm newbornsProspective studyCaffeine dailyRelative riskCaffeine exposureGrowth retardationDose responseNewbornsIntakeAgeRiskPregnancyPatientsHospital