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Related Concept Videos

Infertility in Males01:23

Infertility in Males

Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...
Spermatogenesis01:41

Spermatogenesis

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 reproductive...

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Related Experiment Video

Updated: Jul 7, 2026

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia
06:28

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia

Published on: May 27, 2022

[Management of azoospermias].

E Amar1

  • 1Chirurgien uro-andrologue, hôpital américain, centre de la Muette, CHU Bichat, Paris, France. androste@club-internet.fr

Journal De Gynecologie, Obstetrique Et Biologie De La Reproduction
|February 19, 2008
PubMed
Summary

Azoospermia diagnosis involves clinical exams, ejaculate analysis, and ultrasounds. Treatment varies from surgery for obstructive azoospermia to varicocele repair or sperm retrieval for non-obstructive cases.

Area of Science:

  • Reproductive Medicine
  • Urology
  • Andrology

Context:

  • Azoospermia, the absence of sperm in ejaculate, necessitates a comprehensive diagnostic approach.
  • Understanding the underlying cause is crucial for effective management and fertility treatment.

Purpose:

  • To outline the essential diagnostic steps for azoospermia.
  • To differentiate between obstructive and non-obstructive azoospermia.
  • To discuss treatment options based on the diagnosis.

Summary:

  • Initial assessment includes clinical examination, ejaculate analysis (volume, pH), FSH, testosterone levels, and scrotal/prostatic ultrasound.
  • Further investigations may involve inhibin B, seminal biochemistry, karyotyping, Y chromosome microdeletion analysis, and CFTR gene mutation testing.

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Clinical Application of 24 G Cannula Needle and 3-0 Polypropylene Suture in Vas Deferens Exploration
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Clinical Application of 24 G Cannula Needle and 3-0 Polypropylene Suture in Vas Deferens Exploration

Published on: February 10, 2023

Related Experiment Videos

Last Updated: Jul 7, 2026

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia
06:28

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia

Published on: May 27, 2022

Clinical Application of 24 G Cannula Needle and 3-0 Polypropylene Suture in Vas Deferens Exploration
07:21

Clinical Application of 24 G Cannula Needle and 3-0 Polypropylene Suture in Vas Deferens Exploration

Published on: February 10, 2023

  • Obstructive azoospermia can be treated with reconstructive surgery (vasovasostomy, vasoepididymostomy, ejaculatory duct resection), potentially avoiding intracytoplasmic sperm injection (ICSI).
  • Varicocele-associated azoospermia may improve with varicocele treatment.
  • Non-obstructive azoospermia management remains complex, with ongoing debate regarding fresh versus frozen sperm utilization, though frozen sperm is often favored.

    • Impact:

    • Provides a structured diagnostic pathway for clinicians managing azoospermia.
    • Highlights surgical interventions as alternatives to ICSI in obstructive azoospermia.
    • Informs treatment decisions for non-obstructive azoospermia, guiding future research and clinical practice.