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Ultrasound is a wave of energy used to make an image that allows your doctor to see cross sections of the inside of your child's body. It produces no radiation and is painless. Your child will not need any sedation.
Ultrasound uses high frequency sound waves and their echoes. The sound waves go through your skin and reflect or "echo" in a different way off of each part of your body, such as bone, fluid and soft tissue. These different kinds of echo form a picture that we can see on a screen. The technique is similar to the echolocation used by bats, whales and dolphins, as well as SONAR used by ships and submarines.
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