[1] SPERMATOZOA FAST MOVING[CLUBa]

[2] SPERMATOZOA HAVING VERY GENTLE[CLUB b]

[1]/[2] ADD OF PROGRESSIVE MOTILITY[CAN FERTILIZE]

[3] SPERM THAT SWIM IN CIRCL;ES[CLUBc][NOT FERTILIZE]

[4] SPERM WITHOUT ADDITIONAL TRAFFIC[CLUBd][DEAD SPERM]

BAD MOBILITY[ASTHENOSPERMIA]

MOTILITY[FERTILITY PREDICTOR]