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
Most common site of ectopic testis is 
Select and explain. 
A. Superficial inguinal ring, B. In the perineuim, C. Root of the penis, D. Femoral triangle
A: Superficial inguinal ring
Answer: A: Superficial inguinal ring 
Explanation: (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%