Experimental Prenatal Test Helps Spot Birth Defects

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A second study, this one appearing in the Feb. 3 British Medical Journal, questions the rise of "boutique ultrasonography," where commercial companies offer "keepsake" scans to expectant parents without medical supervision.

Three- and four-dimensional, as well as moving images, can sell for up to $500, the study author stated.

While the companies claim the ultrasound poses no danger to mother or baby, several official organizations, including the American Institute of Ultrasound in Medicine and the U.S. Food and Drug Administration, have expressed concerns about the practice.

More information

To learn more about the types of prenatal tests that are currently available, visit the March of Dimes.