A primiparous mother, at 2-days-postpartum, reports to you t…

A primiparous mother, at 2-days-postpartum, reports to you that her baby is sleepy at the breast and breast feeds every 4-5 hours for 5-7 minutes. You note the baby has lost 10% of his birth weight and he has a serum bilirubin of 10 with visible jaundice.What is your first priority in managing the care of this newborn?