cmv igg positivecmv antibody positivecytomegalovirus cmv igg positivecmv igg positive in pregnancycmv igg positive meanscmv igg positive in newborncytomegalovirus antibody igg positivecmv igg eia positivecmv igg and igm positive in pregnancycmv igg positive igm negativecmv igg reactivecmv ab igg positive