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Sequential aspects of spontaneous abortion: maternal age, parity, and pregnancy compensation artifact
Social Biology
|January 1, 1974
Abstract
No abstract available in PubMed .
Keywords:
Abortion, SpontaneousAge FactorsAmericasBlacksCultural BackgroundDemographic FactorsDeveloped CountriesDeveloping CountriesDiseasesEthnic GroupsFertilityFertility MeasurementsMaternal AgeMeasurementNorth AmericaNorthern AmericaParental AgeParityPopulationPopulation CharacteristicsPopulation DynamicsPregnancy ComplicationsResearch MethodologyUnited StatesWhites