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Abstract
No abstract available in PubMed .
Keywords:
AdolescentsAdolescents, FemaleAge FactorsArgentinaBrazilCanadaCentral AmericaChileDemographic FactorsFamily And HouseholdFamily CharacteristicsFamily RelationshipsFertilityInfant MortalityLatin AmericaMaternal AgeMexicoMothersNorth AmericaParental AgeParentsPopulationPopulation CharacteristicsPopulation DynamicsPregnancy ComplicationsPregnancy, UnplannedReproductive BehaviorSex BehaviorSouth AmericaUnited StatesUnmarried MothersUrban PopulationYouth