Table 1 Ten-group classification

Nulliparous, single vertex, ≥37 wk, spontaneous labour -1

Nulliparous, single vertex, ≥37 wk, Induced or CS wi No Labour-2

Multiparous (excl prev CS), single vertex, ≥37 wk spontaneous labour -3

Multiparous (excl prev CS), single vertex, ≥37 wk, Induced or CS wi No labour -4

Previous CS, single vertex, ≥37 wk -5

All nulliparous breeches -6

All multiparous breeches -7

All multiple pregnancies -8

All 'other' lies -9

All single vertex, ≤ 36 wk -10