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[New criterion for determining fertility in men].

A Maleeva, M Protich, S Milanov

    Vutreshni Bolesti
    |January 1, 1980
    PubMed
    Summary

    Hormone levels in seminal plasma mirror those in blood plasma, offering a new method for assessing male fertility. This study establishes normal and reduced fertility hormone ranges for testosterone, estradiol, luteinizing hormone (LH), and follicle-stimulating hormone (FSH).

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    Area of Science:

    • Reproductive endocrinology
    • Andrology
    • Clinical biochemistry

    Background:

    • Hormonal imbalances can significantly impact male reproductive health.
    • Assessing key reproductive hormones is crucial for diagnosing fertility issues.
    • Current diagnostic methods for male infertility often involve complex procedures.

    Purpose of the Study:

    • To investigate the correlation between hormone concentrations in blood plasma and seminal plasma.
    • To establish reference ranges for key reproductive hormones in fertile and infertile males.
    • To explore the potential of using seminal plasma for parallel hormone analysis alongside spermograms.

    Main Methods:

    • Hormone concentrations (testosterone, estradiol, LH, FSH) were measured in blood plasma of 84 healthy males.
    • Seminal plasma hormone levels were analyzed in 22 fertile males, 35 with oligoasthenospermia, and 46 with azoospermia.
    • Results from seminal plasma were compared with blood plasma concentrations and spermogram data.

    Main Results:

    • Hormone concentrations in seminal plasma were found to be equivalent to those in blood plasma.
    • Reference ranges for normal fertility were defined: testosterone (250-550 mg%), estradiol (40-60 pg/ml), LH (25-35 mlU/ml), and FSH (20-30 mlU/ml).
    • Reduced fertility was associated with testosterone and estradiol levels decreased by over 50%, and gonadotropic hormones (LH, FSH) elevated by over 50%.

    Conclusions:

    • Seminal plasma can be reliably used for assessing reproductive hormone levels, mirroring blood plasma concentrations.
    • This finding facilitates parallel investigation of hormones and sperm parameters, simplifying male fertility diagnostics.
    • Defined hormone ranges provide valuable benchmarks for identifying reduced male fertility.

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