animals. Toxoplasma parasites are isolated from different parts of animals even from semen
but there are little information about the effect of toxoplasmosis on fertility in animals and
humans. In present study, the effect of chronic toxoplasmosis on serum levels of testosterone
in men was studied. Methods In this case-control study, 1026 men referred to Arak Post
Marriage Center were selected. Three ml of blood samples were collected and sera …