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[Chromosome abnormalities in male sterility].

D Millet, M Plachot, M A Lety

    Journal De Gynecologie, Obstetrique Et Biologie De La Reproduction
    |July 1, 1975
    PubMed
    Summary

    Chromosomal anomalies are common in male infertility, particularly azoospermia. A karyotype analysis is recommended for all men with secretory sterility to identify genetic causes like Klinefelter syndrome and translocations.

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    Area of Science:

    • Genetics
    • Reproductive Medicine

    Context:

    • Male secretory sterility affects numerous individuals, impacting reproductive health.
    • Karyotype analysis is a crucial diagnostic tool in reproductive medicine.

    Purpose:

    • To investigate the prevalence and types of chromosomal anomalies in male secretory sterility.
    • To correlate specific chromosomal abnormalities with hormonal profiles (FSH, LH).

    Summary:

    • This study analyzed 281 cases of male secretory sterility, identifying chromosomal anomalies in 81 individuals.
    • Azoospermia was associated with anomalies in 78 cases, while oligospermia had 3.
    • Klinefelter syndrome (identified by Barr bodies) was found in 66 cases. Other gonosomal abnormalities and reciprocal translocations were observed in the remaining cases.
    • Notably, translocations did not elevate FSH and LH levels, unlike other chromosomal abnormalities, a phenomenon requiring further investigation.

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  • Translocations were found to be ten times more frequent in male sterility compared to the general population.

    • Impact:

    • Highlights the high incidence of chromosomal abnormalities in male secretory sterility, underscoring the need for karyotype studies.
    • Identifies a unique hormonal profile in translocation cases, suggesting distinct pathophysiological mechanisms.
    • Provides evidence for the significant role of translocations in male infertility, aiding in diagnosis and genetic counseling.