A few weeks pregnant is suitable for doing four-dimensional

Women are generally recommended in pregnancy 20 to 24 weeks can do four-dimensional color ultrasound examination, because color ultrasound examination can three-dimensional display of the fetal face and the development of various organs, you can understand whether the fetus showed cleft lip, cleft palate, skeletal abnormalities and cardiovascular abnormalities, you can understand the fetal intrauterine dynamic process. Fetal bones are not ossified, spinal bone ultrasound has little effect on the examination results, it is more appropriate to do four-dimensional color Doppler ultrasound examination, do four-dimensional color Doppler ultrasound is required to make an appointment in advance.