--- same boundaries as the outlet of pelvis:
{"Image DocumentName": "--- same boundaries as the outlet of pelvis:", "Image ImageDescription": "inferior border of the pubic symphysis, inferior rami of the pubes, the rami of ischia. ischial tuberosities. sacrotuberous ligaments.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}