You can eat normally during ultrasound during pregnancy. Eating will not have any effect on the ultrasound examination, and you can eat normally when you go to the hospital for ultrasound review during pregnancy. It is recommended to eat a light diet, avoiding greasy, spicy and stimulating foods that may irritate the fetus in the womb and indirectly affect the ultrasound examination. If the ultrasound examination is combined with other examination items, such as glucose tolerance test, which needs to be performed on an empty stomach, and if the ultrasound examination is to be performed in early pregnancy, it may be necessary to hold urine, it is recommended to drink an appropriate amount of plain water or mineral water 30-60 minutes before the examination, which is conducive to better formation of urine. After entering the middle and second trimester, the enlarged uterus gradually protrudes and the pelvis does not need to be deliberately held for ultrasound examinations. Ultrasound examinations are routine during pregnancy and can monitor the dynamic changes of the fetus in the uterus.