As the study involved different type of institutions, we analyzed the influence of socioeconomics classification, referral level and geographical factors on the incidence of markers at birth for congenital toxoplasmosis: incidence of anti-Toxoplasma IgM or IgA in umbilical cord or frequency of history of toxoplasmosis during pregnancy (Table 4). Here, CD40LG is linked to congenital toxoplasmosis.