seyyed hossein tabatabai department of clinical and surgical pathology, shahid sadoughi university of medical sciences, yazd, iran minoo nabieyan department of clinical and surgical pathology, shahid sadoughi university of medical sciences, yazd, iran mohammad hasan sheikhha genetics department, research and clinical center for infertility, shahid sadoughi medical sciences university, yazd, iran. shokouh taghi poor zahir department of clinical and surgical pathology, shahid sadoughi university of medical sciences, yazd, iran sedigheh zarmehi department of clinical and surgical pathology, shahid sadoughi university of medical sciences, yazd, iran azadeh andisheh tadbir department of oral and maxillofacial pathology, school of dentistry, shiraz university of medical sciences, shiraz, iran