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Summary
No abstract available in PubMed .
Keywords:
Abortion, InducedAdolescent PregnancyAdolescentsAge FactorsAmericasAttitudeBehaviorBlacksCanadaComparative StudiesConservatismContraceptionContraceptive Agents, FemaleDemographic FactorsDeveloped CountriesDeveloping CountriesEducationEthnic GroupsEuropeFertilityFertility MeasurementsHealth EducationLiberalismNorth AmericaNorthern AmericaNorthern EuropeOral ContraceptivesPolitical FactorsPopulationPopulation CharacteristicsPopulation DynamicsPregnancyPregnancy RatePregnancy, UnwantedPremarital Sex BehaviorPsychological FactorsReproductionReproductive BehaviorResearch MethodologySex BehaviorSocial DevelopmentSocial ProblemsSocial WelfareStudiesUnited StatesWestern EuropeWhitesYouth