Surgery A male with azoospermia found to have normal FSH & testosterone levels & normal size testes. Probable cause is A Vas obstruction B Kallman syndrome C Undescended testis D Klinefelter's syndrome 💡 Explanation A male with azoospermia found to have normal FSH & testosterone levels & normal size testes. Probable cause is ✓ Correct Answer: A. Vas obstruction