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 Ultrasound
creates images of the body using sound waves rather than x-rays, so since there
is no radiation being used, it is safe for pregnant women and children. These
sound waves enter the body through a device called a transducer, which is placed
directly upon the skin. The sound waves interact with body tissues and
reflect back to the transducer, where they are converted into images on a
computer monitor
Before Your Ultrasound: Before having a pelvic ultrasound, please drink 32 oz of water an hour before the exam and do not empty your bladder, as a full urinary bladder is beneficial when visualizing the uterus and ovaries. For abdominal ultrasounds, preparation includes a low-fat diet for 24 hours prior to the exam, and fasting for 8 hours prior. Otherwise, no significant preparation is necessary for your ultrasound unless specified by the ultrasound staff. Time Required for Your Ultrasound: The length of your ultrasound will depend upon the nature of the study, but you should generally allow one hour for your exam. Who Performs Your Ultrasound: A Registered Sonographer will perform your exam. In certain circumstances, a physician may also perform additional scans. During Your Ultrasound: A warm gel is applied to the skin covering the area to be scanned. During the ultrasound, the sonographer will frequently ask questions to make sure the appropriate scans are obtained. The images generated will be continually monitored as the transducer is moved back and forth over the body. At times, you may be asked hold your breath for recording of particular areas. Depending on the area to be visualized, the sonographer may also switch transducers during your exam. After Your Ultrasound: A radiologist will analyze the images obtained during your ultrasound and send a written report to your doctor, typically within 48 hours. Additional Resources
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