Ultrasound Fade Could Be Early Detector of Preterm-Birth Risk Author: newswise Conference/Journal: newswise Date published: 2015 Sep 18 Other: Word Count: 55 Ultrasonic attenuation — an ultrasound’s gradual loss of energy as the sound waves circulate through tissue — could be an early indicator of whether a pregnant woman is at risk for delivering prematurely, according to a new study at the University of Illinois at Chicago College of Nursing. http://www.newswise.com/articles/view/640113/?sc=mwhn