Toxoplasmose em gestantes: a importância do teste de avidez da imunoglobulina G no diagnostico da doença

Abstract

Introduction: Toxoplasmosis is caused by a protozoan; The toxoplasma gondii (T. gondii), and is transmitted in various ways depending on the form the parasite is found, oocysts are present in the feces of young infected cats, cysts are present in meats, as the tachyzoites are found in milk . Having an almost independent increase and surpasses the normal tissues. Objective: This study aims to analyze the symptoms and care of toxoplasmosis in pregnant women and the fetus and to evaluate the importance and efficacy of the avidity test of immunoglobulin G in pregnant women with toxoplasmosis. Methodology: A bibliographic survey was carried out to assess the importance of the avidity test of immunoglobulin G in the diagnosis of the disease in the prenatal routine, which were searched in electronic journals, namely SCIELO, LILACS and PUBMED. Results and Discussion: The avidity test refers to the binding strength of reversible antigen-antibody complexes. The avidity of the antigen is accentuated throughout the immunological response to immunoglobulins of the IgG class.