How long does a four-dimensional color ultrasound examination take? Four-dimensional color ultrasound examination is a very common gynecological examination method, which can detect the health status of pregnant women and their fetuses. So, how long does a four-dimensional color ultrasound examination take? Let’s elaborate on it from the following four aspects. 1. Inspection parts and quantity. The inspection time will be different depending on the four-dimensional color ultrasound examination parts and quantity. Generally speaking, pregnant women need color ultrasound of the entire abdomen and pelvic color ultrasound, and the time is