Four-dimensional is also known as four-dimensional ultrasound, four-dimensional ultrasound examination does not require fasting.
Generally in 22~28 weeks of pregnancy it is recommended that pregnant women should go to the hospital to do four-dimensional color ultrasound examination, do four-dimensional color ultrasound examination does not need fasting, it is recommended to go to the examination after eating appropriately.
Eating after the digestive system residual food on the ultrasound examination of fetal abnormalities have no adverse effect, do four-dimensional ultrasound time is relatively long, long time fasting is easy to cause hypoglycemia, is not conducive to the smooth progress of the examination, at the same time, fasting in the case of the fetus is not easy to move, fetal movement is also less, not be able to fully to cooperate with the examination.
Four-dimensional ultrasound examination after eating properly, pregnant women’s body capacity is more adequate, blood sugar will rise after meals, fetal movement will increase, is conducive to cooperate with the doctor to observe the situation of the fetal organs and organs.
It is recommended to go to the four-dimensional ultrasound examination in the prescribed time period to find out whether the fetus has developmental malformation and other problems.