1) Imaging 2) Prenatal diagnosis 3) Tomography 4) Ultrasonography 5) Ultrasound 1) Ultrasonography 
Synonym: ultrasonography. ... Origin: L. Sonus, sound. + G. Grapho, to write ... (05 Mar 2000) ... 
(sә-nog´rә-fe) ultrasonography. adj., sonograph´ic., adj.
Type: Term Pronunciation: sŏ-nog′ră-fē Synonyms: ultrasonography
The use of ultrasound to form an image of the fetus.
The use of reflections of high-frequency sound waves to construct an image of a body organ that is displayed on a screen. Sonograms are commonly used to observe fetal growth, complications and abnormalities during pregnancy.
Study of ultrasound imaging.
[n] - using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram)
sonography Using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs.
ultrasonography noun using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs
The use of ultrasound (sound waves) to form an image of the fetus.