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Abortion, InducedAbortion, SpontaneousAbortion, VeterinaryAbortion, CriminalAbortion, TherapeuticEpidemiologyAbortion ApplicantsAbortion, MissedAbortion, SepticMolecular EpidemiologyAbortion, HabitualAbortion, ThreatenedAbortifacient AgentsAbortion, IncompleteAborted FetusAbortifacient Agents, SteroidalAbortion, EugenicMisoprostolAbortifacient Agents, NonsteroidalPregnancy, UnplannedPregnancy, UnwantedIncidenceVacuum CurettageUnited StatesPregnancy Trimester, FirstRisk FactorsPregnant WomenPopulation SurveillanceContraceptionPrevalenceSterilization, ReproductiveFetal DeathSEER ProgramLegislation, MedicalMinorsWomen's RightsFamily Planning ServicesGestational AgeDisease OutbreaksPersonhoodMifepristoneContraception BehaviorInfant, NewbornReproductive RightsPregnancy OutcomeBias (Epidemiology)Birth RateAge DistributionDilatation and CurettageAge FactorsCattle DiseasesEpidemiologic MethodsBeginning of Human LifeConfounding Factors (Epidemiology)Pregnancy Trimester, SecondNeosporaSheep DiseasesPregnancy TrimestersParental NotificationPregnancy ComplicationsPregnancy in AdolescenceContraceptive DevicesUterine HemorrhageParityRetrospective StudiesLifeSeasonsCoccidiosisGenotypeMaternal AgeCatholicismIllegitimacyEpidemiologic Research DesignJudicial RolePregnancy Complications, InfectiousPregnancy, EctopicGoat DiseasesPhylogenyCohort StudiesPublic HealthHorse DiseasesBacterial Typing TechniquesMarital StatusTime FactorsCongenital AbnormalitiesPlacenta DiseasesGynecologyRegistriesCross InfectionProspective StudiesQuestionnairesElectrophoresis, Gel, Pulsed-FieldFranceCluster AnalysisWorld HealthLogistic ModelsDNA FingerprintingHistory, 20th CenturyIndiaCase-Control Studies