| Causes of early PPH | Absolute frequency | Relative frequency (%) |
| Uterine atony | 38 | 40.9 |
| Retained placenta | 31 | 33.3 |
| Tissus injuries/laceration | 16 | 17.2 |
| Coagulation disorders | 8 | 8.6 |
| Total | 93 | 100.0 |