<prompt> For hysteroscopy, following areis usedDistilled WaterAirGlycineO2  <response>: Distending Media Uterine cavity is distended with a media to seperate the uterine walls and have a panoramic view during hysteroscopy CO2: Commonly used for diagnostic purposes. It is solouble in blood and is safe Glycine1.5: Excellent visualisation, hyperosmolar Mannitol 5 Glycine 2.2 Normal saline D.C.DUTTA;S TEXTBOOK OF GYNECOLOGY; 6th edition; Pg no:620 