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Summary
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Keywords:
AmericasBarrier MethodsCondomContraceptionContraception ContinuationContraception ResearchContraceptive MethodsContraceptive Methods ChosenContraceptive UsageDeveloped CountriesFamily PlanningFemale ContraceptionFemale SterilizationIudKap SurveysMethod AcceptabilityNorth AmericaNorthern AmericaOral ContraceptivesResearch MethodologySampling StudiesSterilization, SexualStudiesSurveysUnited StatesVaginal FoamVaginal Spermicides