When is the best time for four-dimensional color Doppler ultrasound?

Women in pregnancy 24~28 weeks time, you can go to the hospital to do four-dimensional color ultrasound examination. This time to do dynamic four-dimensional color ultrasound examination, the image will be clearer, do not in the fetal month is too small or too big to check, may be difficult to form high-quality images, but also affect the accuracy of the results of the examination. Before the examination can be made an appointment, after the appointment to a specific time period, you can go directly to the examination. After four-dimensional color Doppler examination, you can understand whether the fetus has abnormal development problems in utero, if there are serious congenital malformations, you can also consider whether to terminate pregnancy in time.