A 4-day-old male was brought to the clinic   for his first examination after discharge from the newborn nursery. He was a full-term infant, born by normal spontaneous vaginal delivery to a G1P1 26-year-old mother who had a birth weight of 2958 grams. His hospital course had been complicated by a cephalohematoma of the left side of his head and hyperbilirubinemia that was close to meeting criteria for phototherapy at approximately 36 hours of life at 13.3 mg/dL (cut off 13.6 mg/dL). The neonatology team decided to treat him with phototherapy which he received for approximately 18 hours.

At that time his serum bilirubin level was 10.6 mg/dL and then had rebounded to a level 6 hours later was 11.1 mg/dl. He was discharged home at approximately 60 hours of life with a weight that was 2825 grams (decreased 4.5%). He was breastfeeding every 2 hours with 4 wet diapers and several stool diapers…