![]() ![]() Since the procedure can’t produce high quality images, any suspected abnormalities need to be confirmed with other tests. Ultrasound is used during pregnancy to check the baby’s development and to help pick up any abnormalities such as Down syndrome. The reflected sound waves or ‘echoes’ are then translated into a grainy, two-dimensional (or sometimes three-dimensional) image on a monitor. ![]() The sound waves are emitted from a vibrating crystal in a handheld scanner. Ultrasound is a scan that uses high frequency sound waves to study internal body structures.
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