[1] SPERM [SPERMATOZOON/SPERM MOBILITY/MORFOLOGY OF SPERMATOZOA/PREVENTION WITH MASTURBATION/ABSTENTION CONGRESS 3=7 DAYS] [2] ANTISPERM ANTIBODIEW [CHECKED IN SPERM/IF THEY EXIST DIFFICULTY IN DEEFENTER IN CERVICAL MUCUS/THIS REDUCES FERTILITY] [3] TESTING SPERM DNA FRAGMENTATION [WHEN IS [A] LARGELY OLIOSPERMIA/ASTHENOSPERMIA/TERATOZOOSPERMIA[B] FAILED IVF/BACKGROUND MISCARRIAGE ;C] FAILURE OF FORMING STEM CELL [D] POOR QUALITY EMBRYO IN IVF [4] SCROTUM ULTRASONOGRAPHY ;5] HORMONE TESTS [FSH/LH/PRL/TESTO]