Table 1 The 10-Group Classification System
Group 1 | Nulliparous, single cephalic, ≥37 weeks, spontaneous labour |
Group 2 | Nulliparous, single cephalic, ≥37 weeks, induced or CD before labour |
Group 3 | Multiparous (excluding previous CD), single cephalic, ≥37 weeks, spontaneous labour |
Group 4 | Multiparous (excluding previous CD), single cephalic, ≥37 weeks, induced or CD before labour |
Group 5 | Previous CD, single cephalic, ≥37 weeks |
Group 6 | All nulliparous breeches |
Group 7 | All multiparous breeches (including previous CD) |
Group 8 | All multiple pregnancies (including previous CD) |
Group 9 | All abnormal lies (including previous CD) |
Group 10 | All single cephalic, ≤36 weeks (including previous CD) |