This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
Toxoplasmosis in the foetus can be best confirmed by - 
Select and explain. 
A. IgM antibodies againts Toxoplasma in the mother, B. IgM antibodies againts Toxoplasma in the foetus, C. IgG antibodies againts Toxoplasma in the mother, D. IgG antibodies againts Toxoplasma in the foetus
B: IgM antibodies againts Toxoplasma in the foetus
Answer: B: IgM antibodies againts Toxoplasma in the foetus 
Explanation: T.gondii serological profile include 1) The Sabin -Feldman dye test to detect IgG antibodies 2)ELISA for detection of IgM ,IgA and IgE antibodies 3)Immunosorbent agglutination assay to measure levels of IgE antibodies 4)Differential agglutination test to measure levels of IgG antibodies (refer pgno:69 baveja 3rd edition)