What is the difference between 3D and 4D ultrasounds?
A 4D ultrasound is simply a movie or video clip of your baby in 3D, where the fourth dimension is time. You can see your baby in 3D moving over time, and this movie can be saved as a short 3-second movie clip on a CD or on your DVD. At First Peek Ultrasound, we provide the opportunity to see your baby in 4D with the complete package, and you can get a 4D ultrasound movie of your baby stored on CD with the Premium Package.