write uses of sonography technique
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They're generally painless and don't require needles, shots or cuts. You aren't exposed to ionizing radiation, so the procedure is safer than X-rays and CT scans. In fact, there are no known harmful effects when it's used as directed. Ultrasound captures images of soft tissues that don't show up well on X-rays.
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Sonography uses sound waves to produce pictures of the inside of the body. It is used to help diagnose the causes of pain, swelling and infection in the body's internal organs and to examine a baby in pregnant women and the brain.
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