<prompt> A 32 weeks premature infants, 900gm weight on the third days. The serum bilirubin is 13 mg. The treatment of choice is -Exchange transfusionPhototherapyWait and watch therapyPharmacologic therapy  <response>: Ans. is a i.e., Exchange transfusion Total serum bilirubin TSB mgdL Gestation bih weight Healthy baby Sick baby Phototherapy Exchange transfusion Phototherapy Exchange transfusion Preterm babies 5-7 11-13 4-6 10-12 1001-1500g 7-10 13-15 6-8 11-13 1501-2000g 10-12 15-18 8-10 13-15 2001-2500g 12-15 18-20 10-12 15-18 Term babies 2500 g 15-18 20-25 12-15 18-20 