Frequency of anti- Toxoplasma gondii IgA, IgM, and IgG antibodies in high-risk pregnancies, in Brazil.

Introduction: Toxoplasmosis during pregnancy can be severe; thus, it is essential to diagnose the disease via serological tests.

Methods: An enzyme-linked immunosorbent assay (ELISA) was used to investigate anti-Toxoplasma gondii immunoglobulin A (IgA), M (IgM) and G (IgG) antibodies in 62 high-risk pregnant women.

Results: Forty-three (69.