How does four-dimensional color ultrasound determine the gender of the fetus? Four-dimensional color ultrasound refers to an examination method that uses high-frequency sound waves to perform four-dimensional imaging of the fetus to obtain the internal structure and development of the fetus. For expectant mothers, the most interesting thing is how to determine the gender of the fetus through four-dimensional color ultrasound. The following will introduce how four-dimensional color ultrasound determines the gender of the fetus from four aspects. Identifying Gender Characteristics For four-dimensional color Doppler ultrasound technicians, determining the gender of the fetus is mainly based on observing the characteristics of the reproductive organs. There are several obvious differences in the shape and structure of reproductive organs between male and female fetuses. in medicine