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Unless your lab reference ranges are unusual, those levels are just barely outside of "normal." Of course, 1/3 of the population is outside of the reference range.
Globulins are proteins in the blood. At my lab albumin is usually 3.5-5 and globulin 2.3-3.5. Having a level of 3.7 isn't that unusul. The most that would be done is to check again in 8-12 weeks.
Please let me know if you have questions.