Test for toxoplasmosis immunity during pregnancy

In some high-risk countries such as France, all women are screened for toxoplasma antibodies during their first prenatal visit.1

  • A woman who tests positive for immunity to Toxoplasma gondii does not have to take precautions to prevent fetal infection.
  • A woman who tests negative for immunity will have to be careful about exposure to Toxoplasma gondii and is screened periodically during her pregnancy.
  • A woman who develops toxoplasmosis during pregnancy is:
    • Treated with antibiotics to prevent fetal infection.
    • Tested later for fetal infection, using amniotic fluid. Fetal ultrasound can also be used to look for severe birth defects. If fetal toxoplasmosis is diagnosed, the mother is given stronger antibiotics to prevent severe fetal infection.

Citations

  1. Davies JK, Gibbs RS (2008). Toxoplasmosis section of Obstetric and perinatal infections. In RS Gibbs et al., eds., Danforth's Obstetrics and Gynecology, 10th ed., pp. 346–350. Philadelphia: Lippincott Williams and Wilkins.

Last Updated: June 18, 2009

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