[Pregnancy in patients with single ventricle, corrected and uncorrected].

We describe two cases of pregnancy in women with congenital heart disease, single ventricle. The first one underwent Fontan surgery at the age of 5 years due to a single ventricle of the left ventricular morphology. The second one, had uncorrected single ventricle. There were no maternal complications. Both deliveries were by cesarean section. Infants were premature, being delivered at 33 and 27 weeks, and weighing 1,250 and 625 g, respectively.