Related Experiment Videos

[Frequency of intercourse, parental ages, and their relation with fecundability]

A Spira

    Contraception, Fertilite, Sexualite
    |July 1, 1979
    PubMed
    Abstract

    No abstract available in PubMed .

    Keywords:
    BehaviorCoitusContraceptionDemographic FactorsFertilityFertilization--statisticsMaternal AgeMenstrual CycleOvulation DetectionPopulationPopulation DynamicsPregnancy, PlannedReproductionReproductive BehaviorResearch MethodologyRetrospective StudiesSex BehaviorStudies

    Related Concept Videos