Fasting is usually not required for 3D ultrasound.
Three-dimensional ultrasound belongs to a kind of color ultrasound, which is a three-dimensional dynamic display of color Doppler ultrasound diagnostic instrument, not only can observe the process of fetal growth, but also can check the changes of placenta, amniotic fluid and umbilical cord. All obstetric ultrasound, can be examined after a meal, can also avoid the occurrence of hypoglycemia, not fasting will not affect the accuracy of 3D color ultrasound.
Pregnant women should pay attention to whether there are any other fasting test items on the same day, if there are fasting test items, they need to finish the fasting test items first, and then eat to do three-dimensional ultrasound.
If there is any abnormality in the 3D ultrasound examination, it is necessary to consult a doctor in time to clarify the cause and intervene in time to avoid adverse consequences.