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  • Author: Cvetomir I. Ivanov x
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The aim of the study was to explore the impact of oxidative stress on frozen seminal plasma in fertile and infertile men by examining the total antioxidant capacity. Patients: Infertile patients from male infertility clinic with various diagnoses and fertile men. Design: Seminal plasma from proven fertile men [n=50] and infertile patients [n=50] were examined for total antioxidant capacity (TAC) level, semen parameters such as morphology, motility and concentration, and DNA integrity test. Interventions: Seminal plasma TAC measurement by luminometric assay using the TAC assay kit, semen analysis parameters, DNA integrity test. Fertile men showed higher TAC values (median and SD): 1201µM (SD±548), as compared with the infertile patients: 831μM (SD±343). The result from sperm morphology of fertile patients showed a mean percentage of 4.8 % (SD±1.68) whereas the percentage in the infertile group was 2.68% (SD ±1.68). The same group of samples, analyzed for DNA damage showed a mean of DFI 10.38% (SD±5.17%) in fertile men and a mean of DFI 17.22% (SD±7.22%) in infertile men. Total antioxidant capacity of the seminal plasma as measured by the luminоmetric assay is a reliable and simple test for diagnosing and management of male infertility.