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Updated: May 9, 2025

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Flow Cytometric Analysis of Biomarkers for Detecting Human Sperm Functional Defects
Published on: April 21, 2022
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Sperm DNA Fragmentation and Fertility.
Jessica Marinaro1, Peter N Schlegel2
1Department of Urology, Weill Cornell Medicine, New York, NY, USA. Jessica.Marinaro@SGFertility.com.
Advances in Experimental Medicine and Biology
|April 29, 2025
Summary
Sperm DNA fragmentation (SDF) impacts reproductive success, but its clinical use is debated due to inconsistent evidence and varied testing methods. This review clarifies SDF
Area of Science:
- Reproductive Medicine
- Andrology
- Genetics
Background:
- Elevated sperm DNA fragmentation (SDF) is linked to poor reproductive outcomes.
- Clinical application of SDF testing is controversial due to conflicting data and assay variability.
Purpose of the Study:
- To review literature on sperm DNA fragmentation controversy.
- To discuss new evidence impacting SDF understanding.
- To outline current practice guidelines for SDF testing.
Main Methods:
- Literature review of existing studies on SDF.
- Analysis of recent research findings.
- Synthesis of current clinical practice guidelines.
Main Results:
- Conflicting study results and assay variations contribute to SDF controversy.
- Emerging evidence provides new insights into SDF's clinical relevance.
- Recent guidelines offer updated recommendations for SDF evaluation.
Conclusions:
- Sperm DNA fragmentation's role in male infertility requires further clarification.
- Standardization of SDF assays and reference ranges is needed.
- Updated guidelines aim to improve clinical decision-making regarding SDF testing.
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