However, the difference between 3D and 4D ultrasound is that while the 3D ultrasound pictures are three-dimensional still images of the baby, 4D images show real-time movements like facial ...

Like regular ultrasounds, 3D and 4D ultrasounds use sound waves to create an image of your baby in your womb.

For the 3D ultrasounds, multiple two-dimensional images are shot at various angles and then pieced together to form the 3D rendering. The 4D ultrasound is similar, but also shows real-time movement.

They now also have 3D and 4D imaging options, offering surface views of the baby - a popular option for elective ultrasounds to see the baby's developing features. "You see the outside 3D is actually ...

Ultrasounds with 3D imaging have been around for years, but GE’s HD live ultrasound technology uses a unique and moveable light source that not only provides both 3D and 4D imaging, but lights ...

The main difference between 2D and 3D mammograms lies in the images. While the former produces two-dimensional images of the breast, the latter produces clearer, three-dimensional images. [2] ...