Antenatal diagnosis of fetal cardiac abnormalities.

Utilizing fetal electrocardiography, ultrasound, M-mode and two dimensional echocardiography, fetal cardiac function, structure, and rhythm were studied in pregnancies with obstetrical risk factors. Risk factors for fetal cardiac abnormalities were defined to include: maternal diabetes, connective tissue disorders; Rh hemolytic disease; fetal cardiac arrhythmias, ascites of hydrops; intrauterine growth retardation; maternal drug or teratogen exposure and a family history of congenital heart disease. Representative cases are presented and include fetal findings, management and neonatal outcome.