4-D color Doppler ultrasound needs to be scheduled

Four-dimensional color Doppler ultrasound examination needs to make an appointment in advance. Because there are not many hospitals that can carry out four-dimensional color Doppler ultrasound examination at present. And the opening of the second child policy makes more and more pregnant women give birth. The number of people doing four-dimensional color Doppler ultrasound examination is relatively increased. And it takes a long time in the process of four-dimensional color Doppler ultrasound examination, which causes the personnel of four-dimensional color Doppler ultrasound examination to be relatively dense. If you do not make an appointment in advance, it is generally difficult to do four-dimensional color Doppler ultrasound examination in time. Four-dimensional color Doppler examination can be carried out between 20-28 weeks of pregnancy, preferably between 22-26 weeks of pregnancy. about two weeks in advance through the network, telephone, or face-to-face appointment four-dimensional color Doppler time can be.