Jaundice at birth or within 24 hours of birth is commonly due to –

Jaundice present at birth or within 24 hours of life Erythroblastosis fetalis (Rh incompatibility) —> most common cause            o Concealed hemorrhage ABO incompatibility Congenital infections ---> Rubella, syphilis, CMV, toxoplasmosis                  o Sepsis Red cell enzyme defects (G6PD deficiency) Red cell membrane defect (Hereditary spherocytosis) Jaundice appearing on 2" or 3rd days of life Physiological                                o Crigler - Najjar syndrome              o Early onset breast milk jaundice Jaundice appearing from 3' to 7"1 days of life Bacterial sepsis    o Urinary tract infection Other infections —3 syphilis, CMV, enterovirus, toxoplasmosis      o Polycythemia Jaundice appearing after 1st week of life All the causes of jaundice, which have been mentioned in previous explanations, can appear after 1" week.