[ad_1] A 23-year-old healthy man has been unable to father a child. He and his wife have a workup for infertility. His wife’s reproductive function is normal. On physical examination both his testes are palpable in the scrotum and the
[ad_1] A 23-year-old healthy man has been unable to father a child. He and his wife have a workup for infertility. His wife’s reproductive function is normal. On physical examination both his testes are palpable in the scrotum and the