Groups | Description |
---|---|
Group 1 | Nulliparous, single cephalic, ≥ 37 weeks, in spontaneous labor |
Group 2 | Nulliparous, single cephalic, ≥ 37 weeks, induced or CS before labor |
2a- Nulliparous, singleton, cephalic, ≥ 37 weeks’ gestation, induced labor. | |
2b- Nulliparous, singleton, cephalic, ≥ 37 weeks’ gestation, cesarean section before labor. | |
Group 3 | Multiparous (excluding previous cesarean section), singleton, cephalic, ≥ 37 weeks’ gestation, in spontaneous labor. |
Group 4 | Multiparous without a previous uterine scar, with singleton, cephalic pregnancy, ≥ 37 weeks’ gestation, induced or cesarean section before labor. |
4a- Multiparous without a previous uterine scar, with singleton, cephalic pregnancy, ≥ 37 weeks’ gestation, induced labor. | |
4b- Multiparous without a previous uterine scar, with singleton, cephalic pregnancy, ≥ 37 weeks’ gestation, cesarean section before labor. | |
Group 5 | Previous cesarean section, singleton, cephalic, ≥ 37 weeks’ gestation. |
Group 6 | All nulliparous with a single breech. |
Group 7 | All multiparous with a single breech (including previous cesarean section). |
Group 8 | All multiple pregnancies (including previous cesarean section). |
Group 9 | All women with a single pregnancy in transverse or oblique lie (including those with previous cesarean section). |
Group 10 | All singleton, cephalic, < 37 weeks’ gestation pregnancies (including previous cesarean section). |