#asktheexpert Hi Doc, We have opted for STEM Cell Banking for our Daughter. They have taken Maternal Blood also during Delivery to do some screening as per their Standard Process. In the result of this screening, we just saw that following one pathogen was abnormal in Maternal Blood:- CMV (Cytomegalovirus) IgM Antibody is Negative. But CMV IgG Antibody is Positive So, we have get the CMV Testing done for our 29 days old daughter also. CMV IgM is Non-Reactive; But CMV IgG value was 214 (Prescribed Range was 0-6). Is this can be the explanation of Slow Weight Gain of Fetus at last phase of Pregnancy and slower weight gain of Baby now as well? (Birth Weight - 2.66 kg. Weight at 27th day - 2.74 kg) Might this CMV has transmitted to Baby? Do we require to get into further details and testing regarding this?