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Related Concept Videos

Sperm Structure and Semen Composition01:22

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During ejaculation, males release around 2-5 milliliters of semen, which is a complex mixture of mature sperm and various fluids produced by accessory glands. The mature sperm cells measure approximately 60 micrometers in length and consist of a head, neck, midpiece, and tail. The head is flattened and tapered, measuring about 4 to 5 micrometers in length. It contains a nucleus with condensed chromosomes and an acrosome, a cap-like structure filled with enzymes essential for penetrating the...
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Spermatogenesis is the process by which haploid sperm cells are produced in the male testes. It starts with stem cells located close to the outer rim of seminiferous tubules. These spermatogonial stem cells divide asymmetrically to give rise to additional stem cells (meaning that these structures “self-renew”), as well as sperm progenitors, called spermatocytes. Importantly, this method of asymmetric mitotic division maintains a population of spermatogonial stem cells in the male...
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Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects
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["Practical spermiogram"-semen analysis according to WHO recommendations].

Sabine Kliesch1

  • 1Abteilung für Klinische und Operative Andrologie, Centrum für Reproduktionsmedizin und Andrologie (CeRA), Universitätsklinikum Münster (UKM), Albert-Schweitzer-Campus 1, Gebäude D11, 48149, Münster, Deutschland. sabine.kliesch@ukmuenster.de.

Der Urologe. Ausg. A
|April 30, 2021
PubMed
Summary
This summary is machine-generated.

Semen analysis, or spermiogram, is vital for assessing male fertility, aiding in fertility preservation, and sperm donation. Accurate macroscopic and microscopic analysis ensures reliable results for treatment decisions.

Keywords:
Assisted reproductive techniquesAzoospermiaMale infertilitySemen analysisSperm function

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Area of Science:

  • Reproductive Medicine
  • Andrology
  • Clinical Diagnostics

Background:

  • Semen analysis (spermiogram) is essential for diagnosing male infertility.
  • It is also critical for fertility preservation before gonadotoxic treatments and for sperm donation.
  • Current practices adhere to WHO laboratory manual guidelines and German Rili-BÄK quality assurance standards.

Purpose of the Study:

  • To outline the importance and methodology of semen analysis.
  • To emphasize the role of semen analysis in male fertility assessment.
  • To highlight the impact of detailed macroscopic and microscopic examination on diagnostic accuracy.

Main Methods:

  • Following WHO laboratory manual recommendations for semen examination.
  • Performing detailed macroscopic and microscopic analysis of semen.
  • Integrating semen analysis with clinical and endocrine investigations.

Main Results:

  • Semen analysis provides crucial data for evaluating male fertility potential.
  • Accurate analysis is decisive for subsequent treatment planning.
  • Additional tests can enhance the estimation of fertility parameters.

Conclusions:

  • Semen analysis is a cornerstone in the evaluation of male reproductive health.
  • Adherence to standardized methods and quality assurance is paramount for reliable results.
  • Comprehensive semen analysis supports informed clinical decisions regarding fertility treatments.