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Related Experiment Videos

[Normal sperm]

J F Guérin1

  • 1Département de gynécologie, oncologie gynécologique, sénologie, médecine de la reproduction, hôpital Edouard-Herriot, Lyon.

La Revue Du Praticien
|April 15, 1993
PubMed
Summary
This summary is machine-generated.

Male infertility evaluation requires semen analysis, but results vary greatly. A single semen analysis is unreliable; repeat testing and expert interpretation are crucial for accurate fertility assessment.

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Area of Science:

  • Reproductive Medicine
  • Andrology
  • Urology

Context:

  • Male infertility diagnosis relies heavily on semen analysis, assessing sperm count and motility.
  • Significant intra- and inter-individual variability in semen parameters complicates interpretation.
  • Factors like sample collection, abstinence period, and recent illness influence semen characteristics.

Purpose:

  • To highlight the challenges in interpreting semen analysis for male infertility.
  • To emphasize the limitations of current World Health Organization (WHO) criteria for fertility assessment.
  • To underscore the need for repeat testing and specialized analysis for accurate diagnosis.

Summary:

  • Semen analysis, including sperm count and motility, is the initial step in evaluating male infertility.

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  • Interpreting results is difficult due to high variability and influencing factors, making single tests unreliable.
  • WHO criteria for normality (e.g., sperm count <20 million/ml for oligozoospermia) may not accurately reflect fertility potential, with fertility declining significantly below 5 million/ml.

    • Impact:

    • Highlights the inadequacy of single semen analyses and WHO criteria for definitive male fertility assessment.
    • Stresses the importance of repeat testing and advanced sperm motion analysis for clinical decision-making.
    • Underscores the need for expert interpretation of semen parameters to accurately diagnose male infertility.