SIMPLE: implementation of recommendations from international evidence-based guidelines on caesarean sections in the Netherlands. Protocol for a controlled before and after study

Table 1 Ten-group classification according to Robson

Groups:
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, < 36 weeks, (including previous CS)

ISSN: 1748-5908