Study ID number and clinical background of participants
| ID | Role | ID | Role |
| 1 | General practitioner | 11 | General practitioner |
| 2 | General practitioner | 12 | Consultant obstetrician |
| 3 | General practitioner | 13 | Specialist midwife for hypertension |
| 4 | Consultant obstetrician | 14 | Consultant midwife |
| 5 | Obstetric physician | 15 | Consultant obstetrician |
| 6 | Community midwife | 16 | Research midwife and midwifery matron |
| 7 | Specialist midwife for hypertension | 17 | Consultant obstetrician |
| 8 | Clinical research fellow (obstetric trainee) | 18 | Community midwife |
| 9 | Consultant midwife | 19 | General practitioner |
| 10 | Consultant obstetrician | 20 | Health visitor |