How to make an appointment for 4D color ultrasound

Do four-dimensional color Doppler ultrasound, generally in the 6-8 months of pregnancy during the best. At this time the fetus development is basically complete, you can clearly see the fetal head, face, limbs development status, check whether there is a malformation. Appointment four-dimensional color Doppler ultrasound can be done after pregnancy check and doctor communication, direct appointment to do four-dimensional color Doppler ultrasound. To the appointed time, the doctor can take the initiative to call notification. When booking four-dimensional color Doppler ultrasound, try to choose when the fetal movement is more frequent, which can increase the comprehensiveness of fetal observation. Therefore, pregnant women can observe the time and frequency of fetal movement in advance, and do four-dimensional color Doppler ultrasound without fasting and without holding urine.