Ultrasound - series
From DrKoop's partner site on cholesterol, CholesterolNetwork.com
The transducer emits inaudible sound waves, which fan out as they travel through your abdomen. When they hit dense structures like the fetus and the wall of your uterus, the sound waves bounce back to the transducer and are translated into a visual image by the computer. 
Review Date: 05/03/2006  advertisement
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