“…The inclusion criteria were age 20 to 50 years ( Zitzmann, 2013 ); having 2 or more years of employment ( Klonoff-Cohen, 2005 ); not using steroids, testosterone, prednisolone, antioxidants ( Ball et al, 2001 ) such as selenium, vitamin C, E or B supplements ( Yousef et al, 2003 ), and body-building supplements ( Sinclair, 2000 ); having no family history of infertility or organic disorders affecting fertility such as diabetes, kidney disorders, angina pectoris, heart disorders, arterial hypertension, pituitary disorders or a chronic pulmonary obstruction disorder; not suffering from testicular infections, orchitis, and varicocele ( Sabeti et al, 2016 ); and no having history of chemotherapy or radiotherapy ( Gandini et al, 2006 ). The background information was obtained from demographic questionnaires and by referring to the participants’ medical records ( Mohammadi et al, 2021 ).…”