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Summary
No abstract available in PubMed .
Keywords:
Abortion Rate--changesAbortion, InducedAbortion, LegalAbortion, SpontaneousAge FactorsAmericasComparative StudiesData AnalysisDeveloped CountriesDeveloping CountriesFamily PlanningFertility Control, PostconceptionFertility MeasurementsNorth AmericaNorthern AmericaPopulation StatisticsPregnancy RateResearch MethodologyResearch ReportStudiesUnited States