Table 1.

Analysis of annual numbers of potentially unforeseeable intrapartum complications in the Huddersfield birth cohort by socio-economic group

Major unforeseeable complication	Affluent	Better Off	Average	Poor	Deprived	Total	% of total deliveries (2543)
Shoulder dystocia	0	2	2	4	3	11	0.4
Fetal distress	57	40	69	60	151	380	14.9
Cord prolapse	0	1		1	2	4	0.2
Obstructed labour	26	12	24	19	35	116	4.6
Grand total	83	55	95	84	191	511	20.1
Total births	406	299	497	360	952	2543
% by socio-economic group	20.4	18.4	19.1	23.3	20.1	20.1