This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
Which of the following is a content of inguinal canal ? 
Select and explain. 
A. round ligament of uterus, B. broad ligament, C. broad ligament, D. mackenrodt's ligament
A: round ligament of uterus
Answer: A: round ligament of uterus 
Explanation: Each ligament begins at the lateral angle of the uterus, runs forwards and laterally, passes through the deep inguinal ring, traverses the inguinal canal and merges with the areolar tissue of the labium majus after breaking up into thin filaments. Ref : B D Chaurasia's Human Anatomy , sevenh edition , volume 2 , pg .no., 425.