The importance of prenatal check-up Prenatal check-up is a very important part of the pregnancy process. Through prenatal examination, we can understand the health status of pregnant women and fetuses, detect problems in time and provide correct treatment. Prenatal check-ups should start as early as possible, and it is recommended to start in the early stages of pregnancy. Pregnant women should have regular prenatal check-ups, especially in the third trimester. Prenatal examination mainly includes the following aspects: physical, biochemical, trace element and B-ultrasound examination of pregnant women. Sufficient attention must be paid to these examinations. Prenatal check-up is very important for both pregnant women and fetuses. For pregnant women, you can learn about it in advance