| Table 1. Sperm parameters according to BMI | ||||
| Healthy weight | Overweight | Obesity class I | Obesity classes 2 and 3 | |
| N | 297 | 611 | 179 | 60 |
| Volume (ml) | 3.2 | 3 | 2.9 | 2.9 |
| Concentration (num/ml) | 45.6 | 45.8 | 45.9 | 42.2 |
| Total number | 138.9 | 124.1 | 121.8 | 99.9 |
| Vitality (%) | 80.2 | 80.3 | 81 | 80.3 |
| Progressive Motility (%) | 43.9 | 44.1 | 42.4 | 35.3* |
| Total Motility (%) | 54.5 | 54.1 | 53.4 | 46.1** |
| Normal forms (%) | 4.6 | 4.5 | 5.2 | 5.1 |
*p=0.007
**p=0.012