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The information contained on this page is provided as general health information and is not intended to substitute as medical advice and direction from your physician or health care provider. Please direct any questions related to your health care provider. In an emergency, call 9-1-1 or go to the nearest emergency center.


Ultrasound

Ultrasound is a useful procedure for monitoring the baby's development in the uterus. Ultrasound uses inaudible sound waves to produce a two-dimensional image of the baby while inside the mother's uterus. The sound waves bounce off solid structures in the body and are transformed into an image on a monitor screen.

Solid structures, such as bones and muscles, reflect sound waves and appear as light gray or white. Soft or hollow areas, like the chambers of the heart, don't reflect sound waves and appear dark or black.

An ultrasound can supply vital information about a mother's pregnancy and her baby's health. Even though there are no known risks for ultrasound at present, it is highly recommended that pregnant women consult their physician before undergoing this procedure.