What is the eugenics five items of IgG positive? Eugenics\’ five positive IgG means that in the blood test of pregnant women, five routine antibody test results are positive for IgG. The five antibody tests include cytomegalovirus, rubella virus, toxoplasma gondii, herpes simplex virus type I and herpes simplex virus type II. All five viral infections can affect the fetus and are therefore tested to guide postpartum treatment.