What Is a 3-D and 4-D Ultrasound?
Newer ultrasounds are now available that show a three-dimensional view of the fetus. This is similar in clarity to a photograph and can be useful in detecting birth defects when performed in a medical center. Some facilities are providing this scan at the parents’ request without a specific medical indication. A moving picture interpretation is referred to as a 4-D ultrasound. According to the March of Dimes, the FDA, as well as many other experts, the use of these non-medical ultrasounds is discouraged since untrained personnel may provide inaccurate or harmful information. How Should I Prepare for an Ultrasound? There is no special preparation for the ultrasound test. Some doctors require you to drink 4 to 6 glasses of water before the test, so your bladder is full. This will help the doctor view the baby better on the ultrasound. You will be asked to refrain from urinating until after the test. Some doctors allow you to videotape the ultrasound so that you can take it home. Ask your