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Changing parameters of donor semen

S Leto, F J Frensilli

    Fertility and Sterility
    |December 1, 1981
    PubMed
    Summary
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    Demand for donor insemination (AID) is rising due to fewer adoptable children. However, donor semen quality is declining, with sperm count and morphology worsening over eight years.

    Area of Science:

    • Reproductive Medicine
    • Andrology
    • Public Health

    Background:

    • Effective contraception and abortion access have reduced the number of children available for adoption.
    • This demographic shift has led to a significant increase in the demand for donor insemination (AID).

    Purpose of the Study:

    • To analyze trends in donor semen parameters over an eight-year period.
    • To assess the impact of declining semen quality on donor screening and the ability to meet AID demand.

    Main Methods:

    • Longitudinal analysis of donor semen parameters including sperm count, motility, forward progression, viability, and morphology.
    • Tracking of donor candidate rejection rates based on established minimal semen criteria.

    Main Results:

    Keywords:
    AmericasArtificial Insemination--changesBiologyDeveloped CountriesExaminations And DiagnosesGenitaliaGenitalia, MaleLaboratory Examinations And DiagnosesLaboratory ProceduresNorth AmericaNorthern AmericaPhysiologyReproductionReproductive TechnologiesSemen--analysisSeminal VesiclesSperm BanksSperm CountSperm TransportUnited StatesUrogenital System

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    • A consistent declining trend was observed in several key semen parameters over eight years.
    • Sperm count, forward progression, viability, and morphology showed significant decreases, while motility remained stable.
    • Donor candidate rejection rates increased annually to maintain minimal semen quality standards.

    Conclusions:

    • The observed decline in donor semen quality poses a challenge to meeting the increasing demand for AID.
    • If current trends persist, it is projected that no potential donor will meet existing minimal standards within five to six years.
    • Semen quality assessment and donor selection criteria may require re-evaluation to ensure future AID program viability.