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Resazurin reduction test to evaluate semen quality.
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1997
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FertilityResazurin Reduction TestReproductive HealthGynecologySemen AnalysisReproductive BiologyFertilisationRez TestReproductive MedicinePublic HealthInfertilityAndrologyGameteHuman ReproductionUrologyRes TestMedicineWomen's HealthResazurin Test
The resazurin test (REZ TEST) was performed on semen samples obtained from 75 untreated subfertile and 10 pregnancy confirmed fertile males. The results were compared with other sperm parameters to assess the quality of semen. The highest correlation of REZ grade was with motile sperm (r = 0.90, P < 0.001), sperm viability (r = 0.80, P < 0.001) and sperm concentration (r = 0.71, P < 0.001). The REZ grade indicated significant difference in the rate of positive tests between samples from fertile males and patients exhibiting abnormal semen parameters. The RES TEST had a positive predictive value of 93.75% for a progressives motile sperm concentration of > 20 x 106/ml and a negative predictive power of 88.7% for the same variable at a criterion value of 10 x 106/ml. It is suggested that REZ TEST can be performed with a relatively small volume of semen, it is easy to perform and requires no technical equipments.