Diagnostic ultrasound, also called sonography, is an imaging method that uses high-frequency sound waves to produce images of structures within various parts of your body (organs, glands, muscles, blood vessels and fetus). The images can provide valuable information for diagnosing and treating a variety of diseases and conditions.
Some ultrasounds are done inside your body. A transducer is attached to a probe that’s inserted into a natural opening in your body. Examples of these exams include: