FIELD: medicine. SUBSTANCE: method involves making ultrasonic examination of testis in polyprojection mode. The best visualization point is determined by rotating sector transducer in three planes. Injured testicle volume is evaluated to reduce by 50% and more, testicle parenchyma echogenicity by 50% and more, testicle inhomogeneity, testicle fattening to take place in anteroposterior direction. The first two signs receive 2 points each, 1 point is assigned to the fourth one and 0.5 points are assigned to the third one. The sum of points being equal to or greater than 5, aspermatogenesis is to be diagnosed. EFFECT: high reliability and objectiveness of diagnosis. 2 tbl
