Related Experiment Video

Updated: Apr 28, 2026

Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects
08:48

Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects

Published on: April 21, 2022

5.1K

Evaluating Sperm DNA Damage: When and Why It Adds to the Management of the Infertile Man

Armand Zini1,2

  • 1Division of Urology, Department of Surgery, McGill University and OVO Fertility Clinic, Montreal, Quebec, Canada.

Advances in Experimental Medicine and Biology
|April 26, 2026
PubMed

Insights

Sperm DNA fragmentation is a key indicator in male infertility, linked to poor reproductive success. Testing for this DNA damage can help identify causes and guide treatments for infertile couples.

Area of Science:

  • Reproductive Medicine
  • Andrology
  • Genetics

Background:

  • Sperm DNA fragmentation (SDF) is a significant factor in male infertility.
  • Its causes are multifactorial, including genetic issues, environmental factors, and medical conditions.

Purpose of the Study:

  • To highlight the importance of sperm DNA fragmentation testing in evaluating male infertility.
  • To emphasize its role in cases of recurrent pregnancy loss, failed intracytoplasmic sperm injection (ICSI) cycles, and unexplained infertility.

Main Methods:

  • Review of existing clinical studies and etiological factors of SDF.
  • Analysis of the association between SDF and reproductive outcomes.

Main Results:

  • Sperm DNA damage is strongly correlated with adverse reproductive outcomes.
  • Abnormal SDF test results necessitate a comprehensive etiological evaluation.

Conclusions:

  • Sperm DNA fragmentation testing is a promising tool for assessing male infertility.
  • Identifying the cause of SDF allows for targeted treatments to improve fertility outcomes.
Keywords:
Assisted reproductionIn vitro fertilizationMale infertilityRecurrent miscarriageSperm DNA fragmentationSpermatogenesisTesticular spermUnexplained infertility

More Related Videos

Mouse Round Spermatid Injection08:41

Mouse Round Spermatid Injection

Published on: January 26, 2024

1.7K
Sperm Collection of Differential Quality Using Density Gradient Centrifugation03:28

Sperm Collection of Differential Quality Using Density Gradient Centrifugation

Published on: November 29, 2018

20.3K

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...
652
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...
90.6K
Sperm Structure and Semen Composition01:22

Sperm Structure and Semen Composition

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...
16.4K
Disorders of the Male Reproductive System01:20

Disorders of the Male Reproductive System

Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
5.2K