At least 6 to 8 checkups are required after pregnancy, including whole body system checkup, ultrasound, Down screening, non-invasive DNA screening, malformations, observation of fetal condition, blood flow, amniotic fluid and so on. 1. Initial filing, the initial consultation requires a whole body system checkup, including blood pressure, pulse, height, weight and other basic conditions, liver and kidney function, glucose metabolism, thyroid function, as well as checkups for infectious diseases. 2. Early pregnancy requires ultrasound examination to observe the position of the embryo and to clarify the size and gestational age of the fetus. 3. Down’s syndrome screening is performed at 16~20 weeks of pregnancy; non-invasive DNA screening is performed at 12~24 weeks of pregnancy. 4. The first major screening is required at 21~23 weeks of pregnancy, and the minor screening is required at 27 weeks of pregnancy. 5. 32 weeks of pregnancy need to observe the condition of the fetus as well as the placenta and the position of the fetus. 6. 37 weeks to know the function of the placenta, amniotic fluid and blood flow in the umbilical cord. Pregnancy test is a prerequisite to ensure the health of pregnant women and fetus, must follow the doctor’s instructions for regular pregnancy test. If you have any other questions, it is recommended that you consult a medical professional for guidance.