In short, 4D ultrasound imaging is a 3D ultrasound in live motion. 4D ultrasounds utilize either a 2D transducer, which rapidly acquires 20-30 volumes or a matrix array, which instead uses a 3D ...

What about 3D and 4D ultrasound technology? Learn about the safety and use of the different types of ultrasounds.Medically reviewed by Alyssa Dweck, MS, MD, FACOGMedically reviewed by Alyssa Dweck, MS ...

In comparison with standard two-dimensional (2D) imaging of fetal structure and biometry, we aimed to evaluate the role of three-dimensional (3D) imaging as a screening tool in the mid-trimester.