RT Book, Section A1 Hogge, W. Allen A1 Rajkovic, Aleksandar SR Print(0) ID 1115993321 T1 Genetics of Infertility and Pregnancy Loss T2 Practical Genetics for the Ob-Gyn YR 2015 FD 2015 PB McGraw-Hill Education PP New York, NY SN 9780071797214 LK obgyn.mhmedical.com/content.aspx?aid=1115993321 RD 2024/10/08 AB Case 1: John is a 35-year-old executive of a manufacturing company who presented with infertility. He and his wife have had unprotected intercourse over the past 18 months and have not been able to conceive. John has known that he had small testes since college following a regular physical exam. He denies any childhood problems or developmental delay. He does not recollect being different from other boys around puberty. He did grow rapidly, with a height of 5 ft in 4th grade, and 6 ft in 6th grade. He is currently 6 ft 5 inches tall. He has noticed difficulty with erection and libido since age 30 and thought it was normal. He currently has a low libido and at times difficulty in achieving orgasm. His semen analysis 2 months ago revealed azoospermia. What additional testing would you recommend for John?