What is an ultrasonography and function

1.	What is an ultrasonography and function
Answer» Ultrasonography is a relatively safe diagnostic medical procedure where sound waves are introduced into the body using a transducer. The sound waves bounce off the bones and tissues in the body and produce a black and white image on a monitor. The procedure is safe because it does not use ionizing radiation like an x-ray or CAT scan, which should be avoided in pregnancy.

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