Male Infertility with Teratozoospermia Due to Single Gene Mutation is related to spermatogenic failure 38 and non-syndromic male infertility due to sperm motility disorder. An important gene associated with Male Infertility with Teratozoospermia Due to Single Gene Mutation is ARMC2 (Armadillo Repeat Containing 2). Related phenotypes are increased circulating gonadotropin level and decreased testicular size