What could a high immunoglobulin g 1660 and low a1 globulin 1.9 & a2 globulin 10.6 mean?

IgA Deficiency: Sounds like selective IgA deficiency, if these are the results. Selective IgA deficiency is the most common immunodeficiency in the world and is usually benign but needs to be followed. IgA def in women is more significant since it can convert to common variable immune deficiency and there is HUGE risk of lymphoma development in the 50's-60's. See an immunologist