The available knowledge from the medical literature and clinical experience is summarized, outlining possible pathophysiological mechanisms, and clinical management, including biological-psychological-social contributing factors according to expert opinion, are described. Written by experts in the field, this publication will be a unique scientific collection of multidisciplinary practical and clear information for urologists, gynaecologists, psychiatrists, endocrinologists, neurologists, dermatologists, primary health care professionals and psychologists. The didactical approach will be useful for professionals, residents, and students.