“…In both preterm babies, stools became acholic at a time corresponding to a normal term birth (corrected age: 1 day). This is in accordance with previous data, which showed that in normal‐term babies with BA, stools became acholic within 2 weeks after birth (17). The third trap that has been avoided was to interpret favorably the decrease in total serum bilirubin concentration, whereas the proportion of conjugated bilirubin increased signing cholestasis.…”