The 24th week of pregnancy usually requires routine checkups, fetal system ultrasound, glucose tolerance test and other tests. 1. Routine examination: Routine examination includes blood pressure, weight, uterine height, abdominal circumference and fetal heart rate monitoring. 2. Fetal system ultrasonography: the main purpose is to systematically observe the fetal structures and organs to rule out fetal malformations. 3. Glucose tolerance test: It is an important means of diagnosing whether a pregnant woman is suffering from gestational diabetes mellitus, which is determined by measuring fasting blood glucose and blood glucose in the first and second hours after drinking sugar water. Other special tests may be required during the 24th week of pregnancy. The doctor will carry out the tests according to the specific condition of the pregnant woman, and the pregnant woman needs to prepare herself in advance according to the requirements of each test.