How to do the four-dimensional process

Four-dimensional color Doppler ultrasound is to do the child's development is not normal, the process of doing this is like this, first of all to make an appointment with the hospital time. Because this is done in 20 to 24 weeks of pregnancy, and do this generally to do more than half an hour, so the hospital is required to make an appointment. Wait until the appointment is good that day directly to the B ultrasound room to do, do the patient sleep in bed, the doctor with B ultrasound probe on the stomach. On the TV set next to it, you can clearly see the head of the fetus, as well as the body and heart organs of the fetus. When all the organs are clearly seen, you can go home.