1. An ultrasound diagnosis apparatus, comprising: an ultrasound probe having a plurality of piezoelectric transducers configured to insonify and receive an echo signal resulting from an insonification; an image processor coupled to the ultrasound probe and configured to prepare image data based on the echo signal; a measurement processor coupled to the image processor and configured to conduct a measurement on the image data with respect to a predetermined parameter; a graph processor coupled to the measurement processor and configured to prepare a trend graph based on the measurement when the insonification and an image preparation are conducted more than one time; and a display coupled to the graph processor and configured to display the trend graph with related information in a time phase on the trend graph.