Pregnant women do not necessarily need to undergo maternity checkups every month during pregnancy, as long as they complete the corresponding maternity checkups in the appropriate months, mainly including the following maternity checkups: 1. 1 to 3 months of pregnancy: mainly need to carry out early pregnancy card construction and actively complete genetic counseling. At the same time, we should improve the routine blood, coagulation, liver and kidney function, thyroid function, fasting glucose, electrocardiogram, blood type, urine routine, hepatitis B, hepatitis C, syphilis, AIDS and other basic tests, as well as NT ultrasound and Down’s screening in early pregnancy; 2. 3. 5-7 months of pregnancy: every 4 weeks, in addition to the basic examination, ultrasound screening for fetal structural abnormalities and glucose tolerance screening from 25 to 28 weeks of pregnancy to determine the risk of gestational diabetes; 4. 8-9 months of pregnancy: every 2 weeks, bone density testing, fetal heart monitoring, pelvic measurements, GBS screening and assessment of early pregnancy. 5. October: weekly check-ups can be performed to improve the basic examinations and prepare for delivery as recommended by the doctor. Therefore, each stage of maternity checkup is different, and if you are a high-risk pregnancy, you need to increase the number of maternity checkups as appropriate to ensure the healthy development of the fetus.