Ultrasound sonography uses high frequency waves directed towards the pregnant woman abdomaen that produce a visual rep of the fetus

Ultrasound

Explanation:

This question is incomplete. The question is supposed to read:

Ultrasound sonography uses high frequency *blank*  waves directed towards... Fill in the blank.

The answer is: ultrasound

Ultrasound waves are waves of sound that are unable to be detected by human ears. They are often produced by machines to be directed at the abdomen of a pregnant woman. The sound is then received by the machine and interpreted to create an image of the fetus. This is commonly used by doctors to make sure there are no anomalies present in the baby.

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