Table 1 Correlation of serological results with estimated time of maternal infection.

From: Treatment outcomes for gestational toxoplasmosis in India with an emphasis on periconceptional infection in a prospective study

Ig M

Ig G avidity

Proposed time of maternal infection

Positive

Low avidity

Acute infection

Positive

Intermediate avidity

Acute infection

Positive

Low avidity

Periconceptional

Negative

High avidity

Chronic infection

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