What tests are needed for pregnancy?

Women need hormone, color Doppler ultrasound and other examinations before pregnancy. After pregnancy, they need to go to the hospital regularly for prenatal check-ups. Common examination items include B-ultrasound, Tang screen, nt examination, abdominal circumference, four-dimensional color Doppler ultrasound, etc. Women need to pay attention to rest after pregnancy, keep their mood comfortable, and need appropriate exercise.