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Related Experiment Videos

Semen selenium and human fertility.

G Bleau, J Lemarbre, G Faucher

    Fertility and Sterility
    |December 1, 1984
    PubMed
    Summary
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    Selenium (Se) is crucial for male reproductive health. Optimal semen Se levels (40-70 ng/ml) enhance fertility and pregnancy outcomes, while deficiencies or excesses negatively impact reproductive performance.

    Area of Science:

    • Reproductive Medicine
    • Trace Element Metabolism
    • Human Reproduction

    Background:

    • Selenium (Se) is an essential trace element with known roles in animal reproduction.
    • Its specific impact on human reproductive function, particularly in infertile couples, requires further elucidation.

    Purpose of the Study:

    • To investigate the relationship between seminal plasma selenium concentrations and male fertility parameters.
    • To identify optimal and detrimental selenium levels for human reproductive success.

    Main Methods:

    • Selenium levels were measured in the semen of 125 men consulting for infertility.
    • Sperm count, motility, and pregnancy/abortion rates were assessed.
    • Longitudinal follow-up evaluated reproductive outcomes in relation to initial selenium levels.
    Keywords:
    BiologyCanadaCouplesDemographic FactorsFamily And HouseholdFamily CharacteristicsFertilityGenitaliaGenitalia, MaleHealthNutritionPhysiologyPopulationPopulation DynamicsReproductionSemen--analysisSeminal VesiclesSperm TransportUrogenital System

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    Main Results:

    • Mean semen selenium concentration was 71.3 ng/ml, with >85% in seminal plasma.
    • Positive correlation observed between sperm count and semen selenium.
    • Optimal sperm motility occurred at 50-69 ng/ml; levels outside this range decreased motility and increased asthenospermia.
    • Low selenium (≤35 ng/ml) was linked to male infertility.
    • Optimal reproductive performance (high pregnancy, low abortion rates) observed at 40-70 ng/ml.
    • High selenium (≥80 ng/ml) correlated with increased abortion rates and partner ovarian dysfunction.

    Conclusions:

    • Seminal plasma selenium levels are significantly associated with male fertility and reproductive outcomes.
    • An optimal range of 40-70 ng/ml for semen selenium appears critical for reproductive success.
    • Semen selenium level serves as a potential indicator of selenium status concerning reproductive function.