Table 1.

Robson 10 Group Classification System for caesarean section¹²

Group	Description
1	Nulliparous, single cephalic, ≥37 weeks, in spontaneous labour.
2	Nulliparous, single cephalic, ≥37 weeks, induced or CS before labour.
3	Multiparous (excluding previous CS), single cephalic, ≥37 weeks, in spontaneous labour.
4	Multiparous (excluding previous CS), single cephalic, >37 weeks, induced or CS before labour.
5	Previous CS, single cephalic, ≥37 weeks.
6	All nulliparous breeches.
7	All multiparous breeches (including previous CS).
8	All multiple pregnancies (including previous CS).
9	All abnormal lies (including previous CS).
10	All single cephalic, <37 weeks (including previous CS).

CS, caesarean section.