Concentration of reactive oxygen species (nmol/l) (A), total antioxidant capacity(µm) (B), catalase activity (U/L) (C), and MDA (µmol/ml) (D) in aborted women with unknown abortion, T. gondii and Cytomegalovirus comparing with controls. Where C1, negative control; C2, positive control; U, unknown abortion; T; T. gondii, CMV, Cytomegalo virus. Different stars indicate significant differences between groups, post-hoc Tukey tests, p < 0.05.