Using the Robson Classification to Explain the Fluctuations in Cesarean Section

Table 3

Robson’s 10-Group Classification of Flemish women giving birth in 1992-2000-2008-2016: relative size of each group in total birth (%).

	1992 (%)	2000 (%)	2008 (%)	2016 (%)	value
1	27.1	25.1	27.2	26.6
2a	12	13.1	11.4	10.7
2b	1.2	1.4	1.5	1.1
3	ND	27.2	27.4	29.2
4a	ND	14.6	11.7	10.7
4b	ND	1.0	0.7	1.1
5	ND	5.6	7.9	8.4
6	2.3	2.7	2.8	2.5
7	1.7	1.8	1.8	1.7
8	1.6	1.8	1.9	1.8
9	0.3	0.3	0.3	0.3
10	4.1	5.4	5.5	5.8

Robson 3, 4a, 4b, 5: value comparison 2000-2008-2016. NA = no data. .