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Contraceptive failure in the United States

N B Ryder

    Family Planning Perspectives
    |January 1, 1973
    PubMed
    Summary

    No abstract available in PubMed .

    Keywords:
    Acceptor CharacteristicsAcceptorsAge FactorsAmericasBirth LimitingBirth OrderBirth SpacingCatholicismCohort AnalysisCondomContraceptionContraception Failure--statisticsContraceptive Methods ChosenContraceptive UsageCultural BackgroundDemographic FactorsDeveloped CountriesEducationEducational StatusEthnic GroupsEvaluationFamily PlanningFamily Planning ProgramsFertilityIudMarriage DurationMaternal AgeModels, TheoreticalNorth AmericaNorthern AmericaOral ContraceptivesPopulationPopulation CharacteristicsPopulation DynamicsPostcoital DouchingPregnancy, UnplannedReligionReproductive BehaviorResearch MethodologyResearch ReportRhythm Method, CalendarSampling StudiesStatistical StudiesStudiesSurveysUnited StatesVaginal DiaphragmVaginal Foam

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