| CAG | Confidentiality Advisory Group |
| EHR | Electronic Health Records |
| HRA | Health Research Authority |
| MOH | Massive Obstetric Haemorrhage |
| NHS | National Health Service |
| NIHR | National Institute for Health Research |
| NNRD | National Neonatal Research Database |
| OASI | Obstetric Anal Sphincter Injury |
| WS | Wellbeing Software – a Citadel Group Company |