Newborn jaundice 20 days has not returned how to do

Neonatal jaundice 20 days has not been retired, suspected to be pathological jaundice is more likely, or because of breast milk jaundice caused; maternal should take the newborn to the hospital neonatal examination, if diagnosed as pathological jaundice, can use blue light irradiation treatment, but maternal should feed the newborn water appropriately, promote the body metabolism.