<prompt> Jaundice at birth or within 24 hours of birth is commonly due toErythroblastosisCongenital hyperbilirubinemiaBiliary atresiaPhysiological  <response>: Jaundice present at birth or within 24 hours of lifeErythroblastosis fetalis Rh incompatibility most common cause o Concealed hemorrhageABO incompatibilityCongenital infections --- Rubella, syphilis, CMV, toxoplasmosis o SepsisRed cell enzyme defects G6PD deficiencyRed cell membrane defect Hereditary spherocytosis Jaundice appearing on 2 or 3rd days of lifePhysiological o Crigler - Najjar syndrome o Early onset breast milk jaundiceJaundice appearing from 3 to 71 days of lifeBacterial sepsis o Urinary tract infectionOther infections 3 syphilis, CMV, enterovirus, toxoplasmosis o PolycythemiaJaundice appearing after 1st week of lifeAll the causes of jaundice, which have been mentioned in previous explanations, can appear after 1 week. 