A term baby developed jaundice on 3rd day upto the thigh with normal stool and urine. Mother's blood group is 'O' -ve and that of babies 'A' +ve. The cause of jaundice is -

Ans. is 'b' i.e., Physiological jaundice Physiological jaundice o Most neonates develop visible jaundice due to elevation of unconjugated bilirubin concentration during their first week. o This common condition is called physiological jaundice. o This pattern of hyperbilirubinemia has been classified into two functionally distinct periods ? 1. Phase one Last for 5 days in term infant with peak bilirubin levels to 12 mg/dl. Last for 7 days in preterm infant with peak bilirubin levels to 15 mg/dl. 2. Phase two There is decline to about 2 mg/dl, which lasts for 2 weeks after which adult values are attained.