| Causes | Effective (n) | Frequency (%) |
| Preeclampsia | 34 | 60.7 |
| HELLP syndrome | 10 | 17.9 |
| Retroplacental hematoma | 4 | 7.1 |
| Chronic hypertension | 2 | 3.6 |
| Severe malaria anemic form | 4 | 7.2 |
| Hypertensive heart disease | 2 | 3.6 |