TY - CHAP M1 - Book, Section TI - Male Hypogonadism A1 - Fitzgerald, Paul A. A2 - Papadakis, Maxine A. A2 - McPhee, Stephen J. A2 - Rabow, Michael W. PY - 2021 T2 - Current Medical Diagnosis & Treatment 2021 AB - ESSENTIALS OF DIAGNOSISDiminished libido and erections.Fatigue, depression, reduced exercise endurance.Decreased growth of body hair.Testes small or normal in size.Low serum total testosterone or free testosterone.Serum LH and FSH are low or normal in hypogonadotropic hypogonadism; they are high in testicular failure (hypergonadotropic hypogonadism). SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2023/01/27 UR - accessmedicine.mhmedical.com/content.aspx?aid=1175786944 ER -