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Related Experiment Videos

Systematic serologic screening for toxoplasmosis in pregnancy

T Roos1, J Martius, U Gross

  • 1Department of Obstetrics and Gynecology, University of Würzburg, Germany.

Obstetrics and Gynecology
|February 1, 1993
PubMed
Summary

Systematic screening for toxoplasmosis in pregnant women using serologic tests is practical and cost-effective. This approach effectively identifies acute toxoplasmosis during pregnancy, aiding timely diagnosis.

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Area of Science:

  • Medical Parasitology
  • Immunoserology
  • Maternal Health

Background:

  • Toxoplasmosis, a parasitic infection, poses risks during pregnancy.
  • Accurate and timely diagnosis of acute toxoplasmosis is crucial for maternal and fetal health.
  • Existing serologic methods require evaluation for effective screening during pregnancy.

Purpose of the Study:

  • To identify the most effective serologic method for detecting acute toxoplasmosis in pregnant women.
  • To assess the practicality and cost-effectiveness of systematic toxoplasmosis screening programs.

Main Methods:

  • Screened 2104 pregnant women using direct agglutination test and immunosorbent agglutination assay (ISAGA).
  • Further evaluated Immunoglobulin M (IgM)-reactive patients with sequential differentiating serologic tests.

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  • Utilized a modified ISAGA score (≥3) for early detection of acute infection.

    • Main Results:

    • 12 cases (0.6%) of acute toxoplasmosis were identified among the screened women.
    • A reduced ISAGA score (≥3) identified 11 women at their first prenatal visit.
    • This modified approach detected infections earlier than the standard score (≥6), including two cases that would have been missed initially.

    Conclusions:

    • Systematic screening for toxoplasmosis during pregnancy is feasible.
    • Sequential differentiating serologic tests are effective for diagnosing acute toxoplasmosis.
    • The implemented screening strategy is practical and cost-effective for prenatal care.