Pregnancy checkups are mandatory for pregnant women during pregnancy. Going to pregnancy checkups on time can help you understand whether the fetus is developing healthily and avoid fetal health problems. For example, the height, weight and blood pressure of the pregnant woman should be checked in the early stages, and the 4D ultrasound of the pregnant woman should be checked in the later stages. When doing maternity checkups, you should follow the rules before the maternity checkups, some of which require fasting and some of which require holding urine. It is best for pregnant women to wear loose clothing during maternity check-ups to facilitate them. During pregnancy, women should pay attention to the rest situation, not often stay up late, which is not conducive to the development of the fetus.