Table 4. Mode of delivery according to prior Caesarean section in women with CHD.

		Prior C-section	No prior C-section
		n = 11*	n = 20*
		n (%)	n (%)	P
Vaginal delivery		2 (18.2)	17 (85.0)	< 0.001
C-section		9 (81.8)	3 (15.0)	< 0.001
	Primary	4 (36.4)	3 (15.0)	0.210
	Secondary	5 (45.5)	0 (0.0)	0.003

*Only patients with a possible prior Caesarean section, i.e. multiparous patients (n = 31 in patients with CHD), were included.