This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Testes completely descend in the scrotum by the age of? 
Select and explain. 
A. End of 7th month of intrauterine life, B. End of 8th month of intrauterine life, C. End of 9th month of intrauterine life, D. After bih
C: End of 9th month of intrauterine life
Answer: C: End of 9th month of intrauterine life 
Explanation: End of 9th month of intrauterine life PhaseIntrauterine agePosition of testisTransabdominal phaseUp to the sta of 3rd monthEntrance of future inguinal canal (internalinguinal ring)Transinguinal phaseBetween 4 to 5 monthsNo descent7th to 9th monthPasses through inguinal canalBefore bihInto the scrotum