Description of tests
Toxoplasma gondii can be detected by PCR.
Purpose of tests
To detect Toxoplasma gondii on amniotic fluid in a pregnant woman to make a possible diagnosis of congenital toxoplasmosis in the foetus.
Criteria for performing this test
The reference centre performs PCR on amniotic fluid from pregnant patients at increased risk of congenital toxoplasmosis.
Amniotic fluid puncture should be performed at least 4 weeks after maternal infection and from 18 weeks of gestation. In these circumstances, the sensitivity of PCR on amniotic fluid for the diagnosis of congenital toxoplasmosis is around 90%.
Instructions for samples and transport
Amniotic fluid PCR: 2-3 ml, stored at 4°C; shipped at room temperature.
Unacceptable requests
- Incomplete request form
- Sample not suitable for analysis
- Incorrect transport/storage
- Insufficient volume
Turn around time
1 to 3 days.
Reporting of test results
The laboratory reports the results and comments and sends it to the requesting laboratory by post, fax or via medibridge (UZ Brussel).