A 25-year-old pregnant female has serologic testing to determine if she has a toxoplasmosis infection.A low level of both IgM and IgG is found.On repeat testing 2 weeks later,the results are the same.What can be concluded from these results?

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A low level of both IgM and IgG suggests that the infection may have occurred in the past and the individual now has some level of immunity to the disease. The repeat testing with consistent results supports this conclusion. An active infection would generally show higher levels of IgM antibodies. The presence of low levels of IgG does not necessarily indicate serious central nervous system damage in the baby. The absence of antibodies would suggest no exposure to toxoplasmosis, but that is not the case here.

A 25-Year-Old Pregnant Female Has Serologic Testing to Determine If