Toxoplasmosis in the fetus can be best confirmed by -
Diagnosis of Congenital toxoplasmosis: Presence of IgM Abs in fetus indicates congenital infection. The presence of circulating IgA ors the diagnosis of an acute infection as IgA-ELISA is more sensitive than IgM-ELISA for detecting congenital infection in the fetus. Toxoplasma Ag in amniotic fluid, PCR to detect Toxoplasma genes.
IgM Abs against toxoplasmosis in the mother
IgM Abs against toxoplasmosis in the fetus
IgG Abs against toxoplasmosis in the mother
IgG Abs against toxoplasmosis in the fetus
Parasitology Pa 1 (Protozoology)