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Abstract
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Keywords:
AmericasCultural BackgroundDemographic FactorsDeveloped CountriesDeveloping CountriesDifferential FertilityEconomic FactorsEthnic GroupsFamily PlanningFertilityLow Income PopulationMinority GroupsNorth AmericaNorthern AmericaPopulationPopulation At RiskPopulation CharacteristicsPopulation DynamicsPovertyResearch MethodologySocial ClassSocial ProblemsSocioeconomic FactorsSocioeconomic StatusUnited States