The levels of ALT or AST in HBV-infected mothers from the AF group or NAF group were all within the normal range before antiviral intervention, and the median levels of ALT (interquartile range) were 22.00 (15.50, 23.50) and 21.00 (15.75, 24.25) U/L, respectively, while the median levels of AST (interquartile range) were 21.00 (16.50, 29.00) and 19.00 (16.75, 21.25) U/L, respectively, and no statistically significant differences were found. The gene discussed is GPT; the disease is atrial fibrillation.