Oxidative stress has emerged as a central pathophysiological factor in male infertility. Reactive oxygen species (ROS) are produced physiologically in small amounts and play a role in erotic sperm maturation and capacitation. However, excessive ROS accumulation leads to lipid peroxidation, DNA fragmentation, and impaired sperm motility.
Spermatozoa are particularly vulnerable to oxidative damage due to limited cytoplasmic antioxidant defenses. Environmental pollutants, smoking, infections, obesity, and varicocele significantly increase oxidative burden.
In andrological evaluation, advanced diagnostic tests measuring DNA fragmentation and oxidative markers provide deeper insight beyond standard semen analysis. Therapeutic strategies may include lifestyle modification, antioxidant supplementation, and surgical correction of contributing conditions.
Maintaining redox balance is therefore fundamental to preserving sperm function integrity and reproductive potential.
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