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Related Experiment Videos

The "unexplained" poor postcoital test.

J Kremer, S Jager, T van Slochteren-Draaisma

    International Journal of Fertility
    |January 1, 1978
    PubMed
    Summary

    Unexplained infertility in couples is often caused by antisperm antibodies. The Sperm Cervical Mucus Contact test (SCMC-test) effectively detects these antibodies and their impact on conception chances.

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    Area of Science:

    • Reproductive Immunology
    • Human Reproduction
    • Infertility Research

    Background:

    • Unexplained infertility affects a significant number of couples seeking conception.
    • Poor sperm-cervical mucus interaction is a common finding in infertile couples.
    • The role of antisperm antibodies in unexplained infertility requires further elucidation.

    Purpose of the Study:

    • To investigate the correlation between antisperm antibodies and poor sperm penetration.
    • To evaluate the diagnostic utility of the Sperm Cervical Mucus Contact test (SCMC-test).
    • To understand the mechanism by which antisperm antibodies impair fertility.

    Main Methods:

    • Analysis of 30/32 infertile couples with poor sperm penetration tests (in vivo and in vitro).
    • Performance of the Sperm Cervical Mucus Contact test (SCMC-test).
    • Measurement of sperm-agglutination titres in serum, seminal plasma, and cervical mucus.

    Main Results:

    • A strongly positive SCMC-test was observed in 30/32 couples with unexplained infertility and poor sperm penetration.
    • Antisperm antibodies were detected in male or female partners in these cases.
    • A negative or weakly positive SCMC-test correlated with good sperm penetration and absence of significant antisperm antibodies.

    Conclusions:

    • The "unexplained" poor postcoital test is predominantly caused by antisperm antibodies.
    • The SCMC-test is a reliable method for detecting antisperm antibodies.
    • The SCMC-test demonstrates how antisperm antibodies reduce conception probability.

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