The entity is defined by Brazil's SINAN national notification and investigation system as the surveillance concept for toxoplasmosis occurring in pregnancy [1]. It reflects maternal infection with Toxoplasma gondii during gestation, with particular public-health relevance because primary infection after conception markedly elevates the likelihood of mother-to-child transmission [2].
Disease overview
Parasitic Evidence-backed information EN 1/6 applicable sections · ZH 1/6 applicable sections Updated Oct 23, 2026
Toxoplasmosis in pregnancy is a nationally notifiable surveillance entity within Brazil's SINAN system for disease and health-event reporting [1]. Primary maternal infection with Toxoplasma gondii acquired after conception carries a substantially higher risk of fetal transmission than pre-conception exposure [2]. In Canada, low disease prevalence and diagnostic limitations have led to recommendations against routine universal screening in low-risk pregnancies [3].
Read the full clinical and epidemiological profile 2
- 1 Brazil Ministry of Health SINAN. SINAN registry entity: Toxoplasmosis in pregnancy [Internet]. cited 23 Oct 2026. Available from: https://www.gov.br/saude/pt-br/composicao/svsa/sistemas-de-informacao/sinan
- 2 Teimouri A et al. Role of Toxoplasma gondii IgG Avidity Testing in Discriminating between Acute and Chronic Toxoplasmosis in Pregnancy. J Clin Microbiol. 2020 Aug 24. PMID: 32321784. doi: 10.1128/JCM.00505-20. PubMed: https://pubmed.ncbi.nlm.nih.gov/32321784/
- 3 Paquet C et al. Toxoplasmosis in pregnancy: prevention, screening, and treatment. J Obstet Gynaecol Can. 2013 Jan. PMID: 23343802. doi: 10.1016/s1701-2163(15)31053-7. PubMed: https://pubmed.ncbi.nlm.nih.gov/23343802/
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