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Medical ultrasound (also known as diagnostic sonography or ultrasonography) is a diagnostic imaging technique based on the application of ultrasound. It is used to see internal body structures such as tendons, muscles, joints,blood vessels and internal organs. Its aim is often to find a source of a disease or to exclude any pathology.
A pregnancy ultrasound is an imaging test that uses high frequency sound waves to create pictures of a baby in the womb, as well as the motherâs reproductive organs.The average number of ultrasounds varies with each pregnancy and should only be used when medically indicated.n ultrasound can be used for a variety of reasons during pregnancy, depending on the stage in which it is done. Your doctor may order more ultrasounds if he or she detected a problem in a previous ultrasound or blood test.