Newborns with this condition may appear normal at birth. However, jaundice (a yellow color to the skin and mucous membranes) develops by the second or third week of life. The infant may gain weight normally for the first month, but then will lose weight and become irritable, and have worsening jaundice.
Other symptoms may include:
The health care provider will perform a physical exam, which includes feeling the patients belly area. The doctor may feel an enlarged liver.
Tests to diagnose biliary atresia include: