3D and 4D ultrasounds are optional. They're not standard prenatal tests. Doctors often give them as a courtesy to women who want them. Not all doctors have access to 3D or 4D ultrasounds. Also, your ...

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.

Diagnostic Medical Sonographer Lynn Hays has performed thousands of ultrasounds over the past eight years. She has seen the images on her screen change drastically when two-dimensional pictures were ...