MedlinePlus — Male Infertility resource MedlinePlus
Mayo Clinic — detailed medical information about symptoms, tests, and treatment. Mayo Clinic+1
ASRM / ReproductiveFacts The American Society for Reproductive Medicine has patient-focused resources on male fertility. ASRM
NICHD — Men’s Reproductive Health Resources The U.S. National Institute of Child Health and Human Development links to a variety of men’s reproductive health topics. NICHD
AUA/ASRM Guideline — Male Infertility Clinical practice guideline for diagnosis and treatment of male infertility. American University Alumni Network
Brigham & Women’s Hospital — Male Infertility Information from a major academic hospital on causes, when to see a specialist, and what tests are done. Brigham and Women’s Hospital