Four-dimensional color Doppler examination time

Four-dimensional color Doppler ultrasound examination time is pregnant 22 weeks to pregnant 28 weeks between. Clinically is a gestational week for a pregnant month, and gestational weeks are calculated according to the time of the last menstrual cramps, so, pregnant 5 months or so, is to do four-dimensional color Doppler ultrasound examination time. Four-dimensional color Doppler ultrasound examination is an important mid-pregnancy check-up, you can clearly find whether the fetus has cleft lip and palate, spina bifida, short limbs and other body surface abnormalities, can also confirm whether the fetus has congenital heart disease. Therefore, four-dimensional color Doppler ultrasound examination must be done on time. Under normal circumstances, four-dimensional color Doppler ultrasound examination needs to be scheduled in advance. It is recommended to go to a 3A hospital in advance to book the time of four-dimensional color Doppler ultrasound examination, and then do four-dimensional color Doppler ultrasound examination on time according to the scheduled time.