<prompt> Testes completely descend in the scrotum by the aha ofEnds of 7th month of intrauterine lifeEnd of 8th months of intrauterine lifeEnd of 9th months of intrauterine lifeAfter bih  <response>: 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. 