History.- Epidemiology of STI.- Behavioural Aspects.- The Normal Genitalia: Structure and Physiology.- Bacterial Infections.- Viral Infections.- Ectoparasites.- Protozoan Infections.- Fungal Infections.- STD and Travel Medicine.- Therapy.- Prevention/Vaccines.- Novel Diagnostic Methods.- Non STI-Related Dermatosis in Female and Male Patients.- Sexually Transmitted Infections in Pediatrics, Perinatology and Reproduction.- Female Genital Mutilation and Risk for Transmission of STIs.- The Role of Circumcision in Preventing STIs.- Other Genital Infections.- Sexual Abuse.- Psychosocial issues.- Physical Barrier Methods and Microbicides.- Economic and Political Issues Associated with Sexually Transmitted Diseases.- Index.