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 analysis
1986
Proportional weight gain and complications of pregnancy, labor, and delivery in healthy women of normal prepregnant stature
Shepard M, Hellenbrand K, Bracken M. Proportional weight gain and complications of pregnancy, labor, and delivery in healthy women of normal prepregnant stature. American Journal Of Obstetrics And Gynecology 1986, 155: 947-954. PMID: 3619994, DOI: 10.1016/0002-9378(86)90323-6.Peer-Reviewed Original ResearchConceptsComplications of pregnancyProlonged second stageProportional weight gainWeight gainMultigravid womenHealthy womenYale-New Haven HospitalEarly prenatal visitPreexisting chronic diseaseAdverse neonatal outcomesMajor congenital malformationsSignificant risk factorsDays of deliveryHealth maintenance organizationGestational hypertensionPrepregnant weightNeonatal outcomesCesarean sectionFourfold riskPrenatal visitPrimigravid womenHospital clinicQuetelet indexRisk factorsChronic diseasesRisk of Late First and Second Trimester Miscarriage After Induced Abortion
Bracken M, Bryce-Buchanan C, Srisuphan W, Holford T, Silten R. Risk of Late First and Second Trimester Miscarriage After Induced Abortion. American Journal Of Perinatology 1986, 3: 84-91. PMID: 3964388, DOI: 10.1055/s-2007-999839.Peer-Reviewed Original ResearchConceptsFirst prenatal visitSecond trimester miscarriagePrivate obstetric practicesLate miscarriagePrenatal visitFirst pregnancySecond pregnancySecond trimesterSubsequent miscarriageTrimester miscarriagePregnancy historyObstetric practiceInduced abortionMiscarriagePregnancyWomenAbortionRiskLate FirstTrimesterCohortVisits