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To understand how congenital toxoplasmosis (CT) diagnosis has evolved over the years, we performed a systematic review and meta-analysis to summarize the kind of analysis that has been employed for CT diagnosis. Methods. PubMed and Lilacs databases were used in order to access the kind of analysis that has been employed for CT diagnosis in several samples. Our search combined the following combining terms: \u201ccongenital toxoplasmosis\u201d or \u201cgestational toxoplasmosis\u201d and \u201cdiagnosis\u201d and \u201cblood,\u201d \u201cserum,\u201d \u201camniotic fluid,\u201d \u201cplacenta,\u201d or \u201ccolostrum.\u201d We extracted data on true positive, true negative, false positive, and false negative to generate pooled sensitivity, specificity, and diagnostic odds ratio (DOR). Random-effects models using MetaDTA were used for analysis. Results. Sixty-five articles were included in the study aiming for comparisons (75.4%), diagnosis performance (52.3%), diagnosis improvement (32.3%), or to distinguish acute\/chronic infection phases (36.9%). Amniotic fluid (AF) and placenta were used in 36.9% and 10.8% of articles, respectively, targeting parasites and\/or T. gondii DNA. Blood was used in 86% of articles for enzymatic assays. Colostrum was used in one article to search for antibodies. In meta-analysis, PCR in AF showed the best performance for CT diagnosis based on the highest summary sensitivity (85.1%) and specificity (99.7%) added to lower magnitude heterogeneity. Conclusion. Most of the assays being researched to diagnose CT are basically the same traditional approaches available for clinical purposes. The range in diagnostic performance and the challenges imposed by CT diagnosis indicate the need to better explore pregnancy samples in search of new possibilities for diagnostic tools. Exploring immunological markers and using bioinformatics tools and T. gondii recombinant antigens should address the research needed for a new generation of diagnostic tools to face these challenges.<\/jats:p>","DOI":"10.1155\/2024\/1514178","type":"journal-article","created":{"date-parts":[[2024,2,22]],"date-time":"2024-02-22T00:35:12Z","timestamp":1708562112000},"page":"1-27","source":"Crossref","is-referenced-by-count":15,"title":["Systematic Review and Meta-Analysis of Congenital Toxoplasmosis Diagnosis: Advances and Challenges"],"prefix":"10.1155","volume":"2024","author":[{"given":"Priscila Silva","family":"Franco","sequence":"first","affiliation":[{"name":"Universidade Federal de Uberl\u00e2ndia, Avenida Jo\u00e3o Naves de \u00c1vila 2121, Uberl\u00e2ndia, Santa M\u00f4nica 38408-100, MG, Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ana Carolina Morais Oliveira","family":"Scussel","sequence":"additional","affiliation":[{"name":"Universidade Federal do 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