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Summary
No abstract available in PubMed .
Keywords:
Adolescent PregnancyAge DistributionAge FactorsAmericasBlacksContraceptionContraceptive UsageCultural BackgroundDemographic FactorsDeveloped CountriesEconomic FactorsEducational StatusEmploymentEmployment StatusEthnic GroupsFamily And HouseholdFamily CharacteristicsFamily PlanningFertilityHuman ResourcesIncomeInfant MortalityInternational MigrationLabor ForceLength Of LifeLife ExpectancyMacroeconomic FactorsMarital StatusMigrationMigration, InternalMortality--etiologyNorth AmericaNorthern AmericaNuptialityOccupationsPopulationPopulation CharacteristicsPopulation DynamicsPopulation GrowthPregnancyReproductionReproductive BehaviorRural PopulationSex DistributionSocial ChangeSocioeconomic FactorsSocioeconomic StatusTotal Fertility RateUnemploymentUnited StatesUrban PopulationWhites