What is a Hysterosalpingogram? A hysterosalpingogram (HSG) is an X-ray test performed under fluoroscopy that looks at the inside of the uterus and fallopian tubes.| Iowa Radiology
A sonohysterogram is an ultrasound procedure designed to produce clear images of the uterus. TV ultrasound images are taken both before and after sterile saline solution is introduced into the uterus via a catheter. The saline expands the uterine cavity and outlines the endometrium for clearer visualization.| info.iowaradiology.com