This case-based guide is written from the clinician's perspective, dealing with a defined male infertility problem, tracing the actual clinical pathway arriving at the diagnosis, and discussing the treatment options and the likely outcome. Rather than focusing on excessive theoretical details, each chapter presents a unique clinical vignette or scenario, the relevant aspects of which are followed throughout the entire chapter, correlating specific fertility issues with clinical findings, describing treatment options, prognoses and procedures (when indicated), and concluding with practical clinical pearls. Opening with chapters describing current diagnoses of male infertility and semen analysis, the subsequent cases presented cover a variety of relevant topics in male