The successful book of andrology now in a new edition! This book gives a complete, interdisciplinary overview of the central topics of andrology, infertility, hypogonadism, contraception and erectile dysfunction. It contains detailed information on the clinical practice of couple treatment, andrology-relevant gynecology and modern methods of assisted fertilization, psychological factors of infertility, endocrinology and reproductive functions of the aging man as well as on an important sub-area of ​​andrology, the male contribution to contraception. In addition, the relevant scientific foundations (including molecular biology and genetics) are also covered. Completely revised and updated according to the latest scientific research, the new edition represents a reference for andrology, which no doctor who deals with the topic can miss.  For andrologists, practitioners and residents, urologists, dermatologists and internists who deal with the area of​​andrology and male reproductive medicine.