Overview of four-dimensional color ultrasound examination Four-dimensional color ultrasound examination is a very common gynecological examination method. It mainly uses ultrasound technology to observe the internal structure of the female reproductive organs and the condition of the fetus in the womb. Four-dimensional color ultrasound examination generally needs to be performed in a hospital or professional examination institution. However, the cost of four-dimensional color ultrasound examination varies by region and hospital. Factors Affecting the Cost of Four-Dimensional Color Doppler Ultrasound Examination Four-dimensional color Doppler Doppler Ultrasound examination requires cost, and there are many cost factors. Because the fees are different in different regions and different hospitals. Before deciding which one to go to