Which of the following is true about the medial umbilical folds?

The medial umbilical fold overlies the obliterated umbilical aery . The peitoneum of the lower anterior abdominal wall is raised into five folds that diverge as they descend from the umbilicus. These include One median umbilical fold overlies the median umbilical ligament and extends from the umbilicus to the apex of the bladder. It is a remnant of the urachus. Two medial umbilical folds overlie the median umbilical ligaments (obliterated umbilical aeries) . It passes from the internal iliac aery in the pelvis to the umbilicus. Two lateral umbilical folds overlie the inferior epigatric vessels below their entry into the rectus sheath. Ref: Gray's Anatomy 41st edition Pgno: 1077