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Definition of Transvaginal ultrasound

Transvaginal ultrasound: The creation of a picture called a sonogram by sending sound waves out through a probe inserted into the vagina. The waves bounce off the ovaries and other anatomical structures, and a computer uses the echoes to create a visual image. Abbreviated TVS.

Source: MedTerms™ Medical Dictionary
Last Editorial Review: 3/19/2012

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