1. The Importance of Prenatal Examination Prenatal examination is a series of medical examinations performed by pregnant women during pregnancy to ensure the health of the fetus and pregnant woman. Prenatal check-ups can help doctors deal with possible problems in a timely manner, prevent complications, improve the success rate of delivery, and allow pregnant women to spend the entire pregnancy with greater peace of mind. 2. Prenatal check-up schedule 1. Early pregnancy: filing, preliminary check-up