<prompt> Which among the following is FALSE about congenital toxoplasmosis?IgA is better than IgM in detectionDiagnosed by detection of IgM in cord bloodIgG is diagnosticNot recalled  <response>: Negative IgM with positive IgG indicates past infection. The presence of IgM antibody which does not cross placenta in the infants circulation will diagnose congenital toxoplasmosis. The double sandwich IgA-ELISA is more sensitive than the IgM-ELISA for detecting congenital infection in the fetus and newborn. The methods used to detect IgM are 1Double sandwich IgM ELISA 2IgM immunosorbent assay. Ref: Kim K., Kasper L.H. 2012. Chapter 214. Toxoplasma Infections. In D.L. Longo, A.S. Fauci, D.L. Kasper, S.L. Hauser, J.L. Jameson, J. Loscalzo Eds, Harrisons Principles of Internal Medicine, 18e. 