<prompt> 3 day old neonatal is brought by the mother to pediatrician, with complaints of yellowish discoloration of body. On testing bilirubin level is found to be 20mgdL. What is the next step of managementStop breast feedingStop breast feeding and start phototherapyContinue breastfeeding and start phototherapyInitiate exchange transfusion  <response>: Age Cut - off for phototherapy24-48 hours15mgdl48-72 hours18mgdl 72 hours20mgdl 