Spermatogenic Failure 5, also known as male infertility with large-headed, multiflagellar, polyploid spermatozoa, is related to male infertility and infertility. An important gene associated with Spermatogenic Failure 5 is AURKC (Aurora Kinase C). Affiliated tissues include testis, and related phenotypes are male infertility and multiflagellar spermatozoa