male fertility; semen; tth; serms/hcg

34.1 Hypogonadism, Male Fertility, and Testosterone Therapy 34.2 Defining Hypogonadism 34.2.1 Workup of Hypogonadism 34.3 Epidemiology of Hypogonadism 34.3.1 Hypogonadism in Reproductive-Age Men 34.3.2 Aging Fathers 34.4 Testosterone Physiology and Pathophysiology 34.4.1 Testosterone...