| Morbid episod | Antenatal | Per partum | Post-partum | Total |
| Infections* | 3 | 0 | 2 | 5 (11.9) |
| Vaso occlusive crisis | 3 | 0 | 4 | 7 (16.7) |
| Bleeding | 0 | 1 | 2 | 3 (7.1) |
| Severe anemia | 0 | 0 | 1 | 1 (2.4) |