system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Testes completely descend in the scrotum by the aha of
assistant
The correct answer is  Testis lies at superficial ring at 8th month and enters the scrotum at the beginning of 9th month. It reaches the final position in the scrotum just before bih.