Pre-Warming the hands and instruments makes physical examination more comfortable for the patients. Local active warming can valid lessen the acute pelvic pain. Experiences from the peritoneal dialysis and the laparoscopy surgical reveal that warm dialysis solution or air insufflation can decrease the pain of operation. A randomize study on Sonohysterography (SHG), another technique for exam tubal and uterine cavity diseases, cue that warming of Echovist contrast media to body temperature is a simple and effective intervention in reducing discomfort at the time exam.Because the less volume of medium injected during the HSG and the iodine medias may have different properties to the Echovist media, whether this intervention is also valid in HSG remains unknown.