Table 1. Maternal baseline characteristics in women with CHD.

		n = 116
		n (%)
Age (years) (SD)		29.7 (±4.5)
Parity
	Nulliparous	85 (73.3)
	Multiparous	31 (26002E7)
Severity of CHD (according to ACC)
	Simple	30 (25.9)
	Moderate	59 (50.9)
	Severe	27 (23.2)
Functional class (according to Perloff)
	I	47 (40.5)
	II	66 (56.9)
	III	3 (2.6)
	IV	0 (0.0)
Diagnosis
	Post-tricuspid shunts:	9 (7.8)
	VSD
	Pre-tricuspid shunts:	17 (14.7)
	ASD, PFO
	Left heart obstructions:	17 (14.7)
	AS, BAV, CoA, SAS
	Right heart obstructions:	33 (28.4)
	DORV, PS, TOF
	Complex anomalies:	24 (20.7)
	ccTGA, TGA, TOF/APV, TrA
	Hereditary:	7 (6.0)
	Marfan’s syndrome
	Congenital rhythm anomalies:	2 (1.7)
	atrioventricular block
	Other:	7 (6.0)
	aortic aneurysm, Ebstein’s anomaly, congenital form of HOCM, MVP

AS = aortic stenosis, ASD = atrial septal defect, BAV = bicuspid aortic valve, ccTGA = congenitally corrected transposition of the great arteries, CoA = coarctation of the aorta, DORV = double outlet right ventricle, HOCM = hypertrophic obstructive cardiomyopathy, MVP = mitral valve prolapse, PFO = patent foramen ovale, PS = pulmonary stenosis, SAS = subaortic stenosis, TGA = transposition of the great arteries, TOF = tetralogy of Fallot, TOF/APV = tetralogy of Fallot with absent pulmonary valve, TrA = truncus arteriosus, VSD = ventricular septal defect