Rebela IGg Positive And Igm Is negative Impact Over pregnancy and she is in her 12th week of pregnancy! Rubella IGg index is 25.4 positive Rubella igm index is 0.37 negative status.Please advise.

It's past infection.

It can cause congenital anomalies.

If the IgG is positive but the IgM is low or negative, then it is likely that the person had an infection sometime in the past. While IgM is an indicator of a current infection, an IgG indicates a recent or past exposure to the illness. IgM is the first antibody that the body produces in an acute infection. It is approximately six times larger than IgG As based on this report she does not have a ecen infection and may not need any intervention now and the treating gynecologist has to take the decision.