Objective To analyze the correlation of fetal arterial duct abnormity with congenital heart disease and clinical prognosis based on the ultrasonic cardiogram. Methods 1 098 gravida of adopting the ultrasonic cardiogram in our hospital were selected. The correlation of fetal arterial duct abnormity with congenital heart disease was observed; according to the ultrasound manifestation and classification, the correlation of different types of arterial duct abnormity with congenital heart disease was analyzed. R...