A routine blood test hints at oxidative stress in men with no sperm
Oxidant and antioxidant markers differed sharply across infertile men grouped by semen results.
Many cases of male infertility never get a clear explanation. Could ordinary blood samples offer clues?
In The Ulutas Medical Journal, urologists studied 323 infertile men attending one clinic in 2023, sorting them by semen analysis into normal, low motility, low count and no sperm at all (azoospermia). They compared hormones, blood counts, inflammation tests and oxidative stress markers.
The 24 men with azoospermia stood out. Their blood carried more oxidants and less antioxidant capacity, giving a raised oxidative stress index. Inflammation markers such as CRP and sedimentation rate tracked the same way.
Statistical models flagged four of these measures as linked to azoospermia, and the authors suggest they could support diagnosis and help follow treatment.
Caveat: this was a cross-sectional study at one centre, so it shows associations, not that oxidative stress causes the problem.
Source: Mehmet Taskiran. Investigation of Antioxidant-Oxidant Levels in Infertile Men: A Prospective Cross-Sectional Study. Ulutas Med J 2023. doi:10.5455/umj.20230815053224.
Image: Figure 1 of the article, CC BY-NC 4.0.
