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.

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Keep in mind 2D, 3D and 4D are features/technology on the ultrasound system that produce images. 2D technology is the black/white technology and is used for gender determination and to listen to the baby's heartbeat. 3D produces color still shot pictures.

4D, in simple terms, is 3D in movement. So if your baby is sucking his/her thumb, crying, yawning, etc. you will see his/her movements and gestures in the color technology. In order to capture all of this 4D movement, you will need to make sure you have chosen a video option.

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