This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Testis & Scrotum, Subject name: Surgery
[{'content': 'Most common site of ectopic testis is \nSelect and explain. \nA. Superficial inguinal ring, B. In the perineuim, C. Root of the penis, D. Femoral triangle', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (Superficial inguinal ring) (1405-LB) (1379-B &L 25th)Ectopic testis descending order (i) Superficial inguinal ring (ii) perineum (iii) Root of the penis (iv) femoral triangle* Continued descent of the testis may progress after birth, but descent comes to a halt before 2 years of age. The degenerative changes begin to occur at 2 years of age.* Operation is indicated after 12-18 months since degenerative changes begin to take place* The incidence of testicular cancer in a cryptoorchid testis (30 times higher than the normal population)* The prognosis for fertility following orchidopexy in unilateral maldescent is 80%, whereas fertility after bilateral orchidopexy is about 50%', 'role': 'assistant'}]