The physical health of pregnant women is very important to the fetus, so it is necessary to do examinations during pregnancy. The examinations that pregnant women must do are routine blood test, urine test, fasting blood sugar, weight, fetal heart rate, fetal systematic ultrasound screening, etc., so as to effectively avoid abnormal delivery. For example, routine blood test can find out whether the pregnant woman is anemic or infected, routine urine test can initially screen for kidney disorders, fasting blood sugar check whether the pregnant woman is diabetic or not and whether the blood sugar is too high, weight check can reflect whether the pregnant woman and the fetus are growing or not, fetal heart rate is to see whether the baby has hypoxia or not, and ultrasonography screening of the fetal system in order to make clear whether there is any developmental abnormality in the baby. It is important to note that fasting is required for blood and glucose tests. During pregnancy, you should follow your doctor’s instructions and go to the hospital regularly for checkups and screening for infectious diseases or malformations in the pregnancy and fetus. In addition, pregnant women need to keep up with their nutrition during pregnancy and take regular folic acid supplements.