Some of the normal physiologic changes of pregnancy can mimic abnormalities associated with liver disease. In an uncomplicated pregnancy, many laboratory-test results may appear abnormal according to standards derived from a nonpregnant population. Serum albumin concentrations decrease from a mean of 4.2 g per deciliter in nonpregnant women to 3.1 g per deciliter near the end of gestation because of an increase in plasma volume.