A 4D ultrasound scan is a 3D scan but in real time,where as in a 3D scan the image is delayed. This short video shows a 4D ultrasound scan of a 23 week old fetus.
Tags: 4D Ultrasound 23 Weeks
Uploaded by: season_31 ( Send Message ) on 30-11-2011.
Duration: 0m 59s