Table 4.
Assessment of sperm variables.
| The percentage of motility (%) | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 |
|---|---|---|---|---|---|---|---|---|---|
| The number of motile spermatozoa | Less | Little | Portion | Many | Many | Most | Most | Almost all | All |
| The sperm of rectilinear/progressive movement | Tail movements | Tail movements | Only circular sperm movements | Less RM | Little RM | Large RM | Large RM | Large and strong RM | Large and strong RM |
| The rate of movement | Barely | Slow | Slow | Fluent | Fast | Fast | Faster | Faster | Faster |
| The scale of sperm movement | No | Less | Little | Little | Large | Large | Larger | Larger | Larger |
Note: This is based on the assessment of sperm variables of Abouelezz et al. (2015) with some modifications.
Abbreviation: RM, rectilinear movement.