Heart ultrasound for pregnant women is not necessary, but it is recommended for pregnant women with heart disease or circulatory symptoms. Heart ultrasound for pregnant women is not a necessary checkup during pregnancy, and generally pregnant women can choose the items for the maternity checkup according to the month of pregnancy and their physical condition. In addition to the routine maternity items, the heart ultrasound belongs to the circulatory system examination, pregnant women if there is no panic and weakness, or other symptoms of heart disease, you can not do heart ultrasound. However, if the pregnant woman has a history of heart disease, or during pregnancy there is obvious chest tightness, panic, shortness of breath, etc., to carry out a heart ultrasound examination. Cardiac ultrasound can not only find out whether the pregnant woman’s heart is uncomfortable, but also observe the fetal heart rate, whether there are arrhythmias, premature heart beats and other conditions, as well as screening for atrial septal defect, ventricular septal defect, cardiac anomalies, tetralogy of Fallot and other congenital heart diseases. During pregnancy, you should pay attention to rest more, and at the same time, you should relax and avoid tension and anxiety, and you should go to the hospital in time if you have any discomfort, so that the doctor can make a clear diagnosis and cooperate with the doctor to deal with the symptoms.