A woman who is 35 years old or older at the time of delivery is called an advanced maternal age, and the tests required for advanced maternal age include a comprehensive physical examination, NT test, non-invasive DNA and amniocentesis, ultrasound screening, glucose tolerance screening, etc. 1. Comprehensive physical examination: a comprehensive physical assessment should be performed in the early stages of pregnancy, including blood routine, fasting blood sugar, blood pressure, liver and kidney function, blood lipids, thyroid function, urine routine, etc. 2. 2, NT test: performed at 11-13+6 weeks of pregnancy, the thickness of the nuchal translucency layer of the fetus can be checked by ultrasound to assess whether the fetus has Down syndrome; 3, non-invasive DNA testing, amniocentesis: further amniocentesis or non-invasive DNA testing is done to clarify the diagnosis; 4, teratology screening: performed at 20-24 weeks of pregnancy by prenatal ultrasound screening The screening can detect serious fetal structural abnormalities, such as anencephaly, severe open spina bifida, single-chamber heart, etc.; 5, glucose tolerance screening: between 24-28 weeks of pregnancy, a 75g oral glucose tolerance test is performed to screen for gestational diabetes; for advanced maternal age, the number of maternity examinations will be increased appropriately in the middle and late stages of pregnancy, and pregnant women themselves should do a good job of weight management during pregnancy, healthy diet and scientific exercise. In order to reduce the number of comorbidities and complications, it is important for the pregnant women to do a good job of weight management, healthy diet and scientific exercise during pregnancy and childbirth, and strive to adjust their bodies to the best condition.