Ovarian fossa is formed by all except
Obliterated umbilical aery
Internal iliac aery
Ureter
Round ligament of ovary
Each ovary lies in the ovarian fossa on the lateral pelvic wall. Bounderies of ovarian fossa - anteriorly - By the obliterated umbilical aery; and posteriorly - By the ureter and the internal iliac aery Ref : B D Chaurasia's Human Anatomy , seventh edition , volume 2 , pg. no. 414
Abdomen and pelvis