Indications & Diagnostic Rationales
Toxoplasmosis
Other (Syphilis)
Rubella
CMV
HSV
Diagnostic Triggers
Maternal Exposure
Known contact with primary infection (especially Rubella/VZV).
Ultrasound Markers
Intracranial calcifications, Hydrops, Organomegaly, Microcephaly.
Seroconversion
Rising IgG or presence of IgM with low Avidity.
Fetal Growth
Severe early-onset Fetal Growth Restriction (<20 weeks).
Clinical Ref: Routine "Panel" testing is discouraged by FIGO/RCOG due to high false-positive rates. Testing should be serial and pathogen-specific based on clinical suspicion.
Verified
Last Review: 2026
Last Comprehensive Review: 2026