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Related Experiment Videos

Sperm analysis.

P Jouannet1, D Feneux

  • 1Laboratoire d'Histologie-Embryologie, Centre Hospitalier, Le Kremlin-Bicêtre.

Annales De Biologie Clinique
|January 1, 1987
PubMed
Summary
This summary is machine-generated.

Semen analysis is key for male fertility assessment. A sperm concentration below 5.10(6)/ml significantly lowers pregnancy chances, while motility and morphology are crucial for conception above this threshold.

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Area of Science:

  • Reproductive Biology
  • Andrology
  • Clinical Diagnostics

Background:

  • Semen analysis is the initial step in evaluating male infertility.
  • Establishing precise correlations between sperm anomalies and infertility can be challenging.
  • Standardized and objective procedures are essential for accurate semen analysis.

Purpose of the Study:

  • To investigate the relationship between semen parameters and fertility outcomes.
  • To identify threshold values for sperm concentration, motility, and morphology predictive of conception.
  • To enhance the understanding of sperm function in relation to fertilization potential.

Main Methods:

  • A 3-year follow-up study involving 520 infertile men.
  • Analysis of sperm concentration, motility, and morphology.

Related Experiment Videos

  • Correlation of semen parameters with observed pregnancy rates.

    • Main Results:

    • A significantly lower pregnancy rate was observed when sperm concentration was below 5.10(6)/ml.
    • Sperm concentration values above 5.10(6)/ml did not show a similar decline in pregnancy rates.
    • No specific threshold values were identified for sperm motility and morphology, but they closely related to conception chances above the concentration threshold.

    Conclusions:

    • Sperm concentration below 5.10(6)/ml is a critical indicator of reduced male fertility.
    • Sperm motility and morphology are important factors influencing conception, particularly when sperm concentration is adequate.
    • Further evaluation using in vitro fertilization assays can provide deeper insights into sperm function parameters essential for oocyte fertilization.