Question

what is sonogram why it is preferred to x rays​

Answer 1

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. Ultrasounds are widely accessible and less expensive than other methods.

Answer 2

Answer:

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. Ultrasounds are widely accessible and less expensive than other methods.