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Causes of sperm DNA fragmentation
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Causes of sperm DNA fragmentation

Sperm DNA fragmentation occurs due to elevated levels of oxidative stress, which damages spermatozoa. The following are the most common causes:

  • Too high scrotal temperature
  • Seminal infections
  • Air pollution
  • Smoking
  • Advanced age
By MD, PhD, MSc (gynecologist), (embryologist), BSc, MSc (embryologist) and (invitra staff).
Last Update: 06/26/2018