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
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
1987
DELAYED CHILDBEARING: NO EVIDENCE FOR INCREASED RISK OF LOW BIRTH WEIGHT AND PRETERM DELIVERY1
BARKAN S, BRACKEN M. DELAYED CHILDBEARING: NO EVIDENCE FOR INCREASED RISK OF LOW BIRTH WEIGHT AND PRETERM DELIVERY1. American Journal Of Epidemiology 1987, 125: 101-109. PMID: 3788938, DOI: 10.1093/oxfordjournals.aje.a114491.Peer-Reviewed Original ResearchConceptsLow birth weightBirth weightPreterm deliveryPrimiparous womenYale-New Haven HospitalAge 30 yearsMore frequent historyMaternal primiparityPreterm birthSingleton deliveriesGestational ageMaternal ageSpontaneous abortionFrequent historyOlder womenReproductive outcomesAge 30Confounding variablesYoung womenWomenPresent studyAgeRiskDeliveryPrior studies
1986
Caffeine consumption during pregnancy and association with late spontaneous abortion
Srisuphan W, Bracken M. Caffeine consumption during pregnancy and association with late spontaneous abortion. American Journal Of Obstetrics And Gynecology 1986, 154: 14-20. PMID: 3946486, DOI: 10.1016/0002-9378(86)90385-6.Peer-Reviewed Original ResearchConceptsSecond-trimester spontaneous abortionSpontaneous abortionPregnant womenCaffeine consumptionHeavy caffeine consumptionProspective cohort studyLate spontaneous abortionsAverage daily intakeLast pregnancyCohort studyMedical historyCaffeine dailyRelative riskContraceptive useAssociation of caffeineDrinking habitsSources of caffeineDaily intakeCaffeine usePregnancyCaffeine usersDemographic characteristicsWomenAbortionAssociation
1985
Spermicidal contraceptives and poor reproductive outcomes: The epidemiologic evidence against an association
Bracken M. Spermicidal contraceptives and poor reproductive outcomes: The epidemiologic evidence against an association. American Journal Of Obstetrics And Gynecology 1985, 151: 552-556. PMID: 3883778, DOI: 10.1016/0002-9378(85)90137-1.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsPoor reproductive outcomesRecent epidemiologic studiesEpidemiologic evidenceObstetric practiceSpontaneous abortionSpermicidal contraceptivesEpidemiologic studiesReproductive outcomesCongenital malformationsAvailable evidenceSuch associationsContraceptionAssociationContraceptivesMalformations