sperm abnormalities: adverse effects of thyroid dysfunction

Introduction: despite the importance of thyroid hormones in reproduction, there are only a few studies that focus on male infertility. the objective of this study was to evaluate semen parameters in patients with hypothyroidism or hyperthyroidism.materials and methods: totally, 28 patients with thyroid disorders were evaluated for the semen parameters. serum tsh and t4 concentrations were measured by elisa. complete semen analyses were performed based on who.results: pathozoospermia was seen in 32.14% of our patients. two hyperthyroid patients and seven hypothyroid patients suffered sperm defects. none of pathozoospermia patients showed an alone sperm defects. sperm multiple anomalies were our main findings.conclusion: it seems that sperm characterizes strongly were affected. although, we have a limited sample size, but sperm multiple abnormalities made our interest findings.