Do four-dimensional color Doppler ultrasound

The time to do four-dimensional color Doppler examination is between 22 weeks of pregnancy and 28 weeks of pregnancy, but the most appropriate time to do four-dimensional color Doppler examination is about 24 weeks of pregnancy. about 24 weeks of pregnancy, at this time the size of the fetus is moderate, the amount of amniotic fluid is normal, do four-dimensional color Doppler examination, the image will be clearer, you can clearly see whether the fetus has facial deformity, such as cleft lip and palate, spina bifida, short limbs, etc., you can also find whether there is congenital heart disease. So four-dimensional color Doppler examination, generally recommended in pregnancy about 24 weeks to do. Four-dimensional color Doppler examination, need to make an appointment in advance.