How to do 4-D color Doppler ultrasound

Four-dimensional color Doppler ultrasound is also the practice of placing the stapler on the probe, and abdominal skin contact to understand the development of the intrauterine fetus, whether there are abnormalities in the limbs, whether there are abnormalities in the organs. Generally done between 23 weeks and 28 weeks of pregnancy, you can clearly understand the development of the fetus, understand whether there are abnormalities in the soft tissue. The cost is about 500 yuan. Due to different levels of hospitals, the charging standards are also different. The higher the level of hospitals, the more expensive the fees will be. At this stage, more than 500 yuan is the charging standard of Grade A hospital. If it is Grade A hospital, the charging standard will be lowered.