Medical Ultrasound Imaging Abbreviations - G 1 - 3 (of 3) •GA-GS • GA Gestational Age • GI Gastro-Intestinal • GS Gestational Sac 1 - 3 (of 3) •GA-GS It seemed the world was divided into good and bad people. The good ones slept better... while the bad ones seemed to enjoy the waking hours much more. - Woody Allen |