CD40LG and toxoplasmosis: ELISA evaluation of serum samples for toxoplasma antibody defined 26 women (52%) had negative toxoplasmosis IgM and IgG antibodies (A-group), serum samples of 17 women (34%) gave positive IgM antibody but were negative regarding toxoplasmosis IgG (B-group), while the samples of the remaining 7 women (14%) gave positive results concerning both IgM and IgG toxoplasma antibodies (C-group) (Fig. 1).