Akanksha Mehta, M.D., M.S. Department of Urology, Emory University School of Medicine, Atlanta, GA Fertility preservation (FP) in men refers to the process of saving or protecting sperm or testicular tissues, so that they may be used to father biological children in the future. Although a cancer diagnosis is the most common reason to consider FP, the indications for FP are, in fact, much broader: genetic disorders like Klinefelter syndrome, which results in an irreversible decline in testicular function; endocrine (hormone) disorders that require testosterone replacement therapy; abdominal or pelvic surgery with the potential to affect ejaculation; spinal cord ...