RATIONALE [1] DISTURBANCE SPERM PRODUCTION[TESTICULAR AILMENTS AND ROADS DADING TO THEM] [2] POSSIBLE CAUSE VERICOCELE [COOLING SPERM SHE SLIM] [3] BLOOD ANALYSIS [HORMONES ZAUSES ARE] [4] SEXUALLY TRANSMITTED DISEASES [INJURED OR SHOT SPERM CAUSING INFERTILITY] [5] INJURIES [6] RETROGRADE EJACULATION [DIABETICS] [7] PELVIC INFLAMMATORY DISEASE [8] IMMUNOLOGICAL AGENTS