Table 1.
Semen characteristics and sperm morphology in the ten patients under light microscopy.
| Semen parameters | P1a | P2a | P3a | P4c | P5b | P6c | P7b | P8c | P9c | P10c |
|---|---|---|---|---|---|---|---|---|---|---|
| Age | 41 | 34 | 35 | 46 | 26 | 35 | 28 | 27 | 43 | 36 |
| Volume (ml) | 4.7 | 2.5 | 2.9 | 2.3 | 3.2 | 2.5 | 3.2 | 2.2 | 2.5 | 3.1 |
| Concentration (106 ml−1) | 10.1 | 6.8 | 11.3 | 25.3 | 10.1 | 11.5 | 20.6 | 42.1 | 20.5 | 8.2 |
| Progressive motility (%) | 0 | 5.3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Motility (%) | 0 | 8.8 | 0 | 0 | 0 | 0 | 3.5 | 0 | 0 | 0 |
| Normal flagella (%) | 2.4 | 6.0 | 2.7 | 2.6 | 3.7 | 1.8 | 2.3 | 4.7 | 1.5 | 3.0 |
| Absent flagella (%) | 21.0 | 19.0 | 22.3 | 18.2 | 23.1 | 20.2 | 16.7 | 16.3 | 13.5 | 24.0 |
| Short flagella (%) | 51.0 | 48.5 | 45.6 | 52.8 | 54.9 | 59.5 | 64.5 | 59.0 | 68.0 | 50.5 |
| Coiled flagella (%) | 12.5 | 17.5 | 14.4 | 12.5 | 10.3 | 9.5 | 6.5 | 8.5 | 7.5 | 12.5 |
| Bent flagella (%) | 5.1 | 3.0 | 5.5 | 5.5 | 2.0 | 3.5 | 4.5 | 5.0 | 4.5 | 3.0 |
| Irregular width (%) | 8.0 | 6.0 | 9.5 | 8.4 | 6.0 | 5.5 | 5.5 | 6.5 | 5.0 | 7.0 |
| Affected spermatozoa (%) | 97.6 | 94.0 | 97.3 | 97.4 | 96.3 | 98.2 | 97.7 | 95.3 | 98.5 | 97.0 |
Note: aRepresent that the genetic cause of these patients might be DNAH6 mutations; brepresent that the genetic cause of these patients might be DNAH1 mutations; crepresent that the genetic causes of these patients remain unknown.