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Causes of PPH cases requiring massive transfusiona
| N | (%) | |
|---|---|---|
| Uterine atony | 179 | (55) |
| Placenta abnormalities; | 173 | (53) |
| Retained | 54 | (17) |
| Previa | 37 | (11) |
| Abnormally invasive placenta | 32 | (10) |
| Remnant | 30 | (9) |
| Abruption | 20 | (6) |
| Laceration; | 40 | (12) |
| Vagina | 23 | (7) |
| Cervix | 17 | (5) |
| Uterine rupture | 20 | (6) |
| Iatrogenic during/after cesarean | 11 | (3) |
| Other | 22 | (7) |
| Unknown | 9 | (3) |
aUp to three causes per case could be included
