| Parameter | Reference value |
|---|---|
| Ejaculate volume (ml) | ≧ 2 |
| pH | ≧ 7.2 |
| Sperm concentration (million/ml) | ≧ 20 |
| Total motility (PR+NP,%) | ≧ 50% |
| Progressive motility (%) | ≧ 25% |
| Normal morphology (%) | ≧ 30% |
| Leukocyte number (million/ml) | < 1 |
| Parameter | Lower reference limit |
|---|---|
| Semen volume (ml) | 1.5 (1.4-1.7) |
| Total sperm number (ml/ejaculate) | 39 (33-46) |
| Sperm concentration (106per ml) | 15 (12-16) |
| Total motility (PR+NP,%) | 40 (38-42) |
| Progressive motility (PR,%) | 32 (31-34) |
| Vitality (live spermatozoa,%) | 58 (55-63) |
| Sperm morphology (normal forms,%) | 4 (3.0-4.0) |
| Peroxidase-positive leukocyte number (million/ml) | < 1 |
| Other consensus threshold values | |
| pH | ≧ 7.2 |
| Seminal fructose (μmol/ejaculate) | ≧ 13 |
| Seminal neutral glucosidase (mU/ejaculate) | ≧ 20 |