DiseasesChemicals and DrugsAnalytical, Diagnostic and Therapeutic Techniques and EquipmentPsychiatry and PsychologyPhenomena and ProcessesDisciplines and OccupationsAnthropology, Education, Sociology and Social PhenomenaTechnology, Industry, AgricultureInformation ScienceNamed GroupsHealth CareGeographicals
ContraceptionFamily Planning ServicesContraceptive AgentsLibrary ServicesState GovernmentAbortion, InducedContraception BehaviorContraceptives, OralReproductive Health ServicesProgram EvaluationPregnancy, UnplannedContraceptives, Oral, CombinedUnited StatesAdolescent Health ServicesContraceptives, Oral, HormonalContraceptive Agents, FemaleHealth Services AccessibilityContraceptives, Oral, SyntheticPregnancyContraceptive DevicesContraceptive Devices, FemaleContraceptive Agents, MaleIntrauterine DevicesEthinyl EstradiolDesogestrelNorgestrelLevonorgestrelContraceptives, PostcoitalMestranolNorethindroneHealth ServicesHealth Services Needs and DemandVaccines, ContraceptiveProgram DevelopmentSterilization, ReproductiveMental Health ServicesCommunity Health ServicesHome Care ServicesPregnancy, UnwantedHealth Services ResearchRural Health ServicesMedroxyprogesterone AcetateQuestionnairesContraception, PostcoitalSpermatocidal AgentsPreventive Health ServicesChild Health ServicesMenstruationIntrauterine Devices, CopperNorethynodrelHealth Services for the AgedEthynodiol DiacetateMaternal Health ServicesGovernment ProgramsContraception, ImmunologicHealth Knowledge, Attitudes, PracticeNational Health ProgramsWomen's Health ServicesNorpregnenesEthinyl Estradiol-Norgestrel CombinationProgestinsCommunity Mental Health ServicesPatient Acceptance of Health CareContraceptives, Oral, SequentialContraceptives, Postcoital, HormonalSocioeconomic FactorsCross-Sectional StudiesRisk FactorsEmergency Medical ServicesGreat BritainUrban Health ServicesCounselingDelivery of Health CareTime FactorsSterilization, TubalData CollectionHealth Care SurveysSex EducationHealth PromotionContract ServicesInterviews as TopicHealth EducationRural PopulationParityPregnancy in AdolescenceSexual BehaviorLogistic ModelsMenstrual CycleAndrostenesManaged Care ProgramsDiagnostic ServicesProgesterone CongenersContraceptive Devices, MaleEnglandFinancing, GovernmentNursing ServicesIntrauterine Devices, MedicatedHealth Services AdministrationUnited States Dept. of Health and Human ServicesCondoms