Criss Cross Heart (CCH) is a rare cardiac anomaly characterized by the rotation of the ventricular mass in its major axis, which can be associated with other malformations, resulting in different relations between atrium, ventricles and great vessels. To report a case of CCH still diagnosed intrauterine in a pregnant woman in the city of Rio Branco-Acre and the complexity of diagnosis and treatment. This is an observational and descriptive case report. A fetal echocardiogram was performed at twenty-eight weeks of …