| Table 1. The reference by the World Health Organization (2010). |
|
| Category | Reference Value |
| Moderate Oligozoospermia |
Sperm Concentration: 5-10 million/ml |
| Severe Oligozoospermia | Sperm Concentration: 5-10 million/ml |
| Moderate Oligoasthenozoospermia | Sperm concentration: 5-10 million/ml and Progressive motility (PR) < 32% |
| Severe Oligoasthenozoospermia | Sperm concentration: < 5 million/ml and Progressive motility (PR) < 32% |
| Teratozoospermia | Sperm morphology: normal < 4% |
| Necro-teratozoospermia | Sperm vitality: < 58% and Sperm morphology: normal < 4% |
| Asthenozoospermia | Progressive motility (PR) < 32% |
| Hypospermia | Sperm volume < 1.5 ml |