What is fetal heart ultrasound?

Fetal heart ultrasound is usually

performed in the middle of pregnancy to help identify a variety of congenital heart diseases, such as atrial septal defect, ventricular septal defect, patent ductus arteriosus, tetralogy of Fallot, transposition of the great arteries, etc. It

can help doctors develop more reasonable prenatal plans to ensure the health and safety of mothers and infants.