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Infertility and age at first coitus: a possible relationship

W B Cutler, C R García, A M Krieger

    Journal of Biosocial Science
    |October 1, 1979
    PubMed
    Summary

    No abstract available in PubMed .

    Keywords:
    Age FactorsAmericasBlacksCoitusCultural BackgroundDemographic FactorsDeveloped CountriesEthnic GroupsFecundityFertilityHuman Reproductive IndexesInfertilityMaternal AgeMenstrual CycleMenstruationNorth AmericaNorthern AmericaParental AgePennsylvaniaPopulationPopulation CharacteristicsPopulation DynamicsPregnancyReproductionResearch MethodologyResearch ReportStatistical StudiesStudiesUnited StatesWhitesWomen

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