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Summary
No abstract available in PubMed .
Keywords:
Adolescent Pregnancy--prevention and controlAdolescentsAge FactorsAmericasBiologyClinic ActivitiesCounselingDelivery Of Health CareDemographic FactorsDeveloped CountriesDeveloping CountriesEducationFamily PlanningFamily Planning CentersFamily Planning ProgramsFertilityHealthHealth FacilitiesHealth ServicesMaternal Health ServicesMedicineNorth AmericaNorthern AmericaOrganization And AdministrationPopulationPopulation CharacteristicsPopulation DynamicsPregnancyPrenatal CareProgram ActivitiesProgramsReproductionReproductive BehaviorSchoolsSecondary SchoolsStudentsUnited StatesYouth