This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Jaundice at birth or within 24 hours of birth is commonly due to – \nSelect and explain. \nA. Erythroblastosis, B. Congenital hyperbilirubinemia, C. Biliary atresia, D. Physiological', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Jaundice present at birth or within 24 hours of life\n\nErythroblastosis fetalis (Rh incompatibility) —> most common cause\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 o Concealed hemorrhage\nABO incompatibility\nCongenital infections ---> Rubella, syphilis, CMV, toxoplasmosis\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 o Sepsis\nRed cell enzyme defects (G6PD deficiency)\nRed cell membrane defect (Hereditary spherocytosis) \n\tJaundice appearing on 2" or 3rd days of life\nPhysiological\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 o Crigler - Najjar syndrome\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0\xa0 o Early onset breast milk jaundice\n\tJaundice appearing from 3\' to 7"1 days of life\nBacterial sepsis\xa0\xa0\xa0 o Urinary tract infection\n\n\nOther infections —3 syphilis, CMV, enterovirus, toxoplasmosis\xa0\xa0\xa0\xa0\xa0 o Polycythemia\n\nJaundice appearing after 1st week of life\n\nAll the causes of jaundice, which have been mentioned in previous explanations, can appear after 1" week.', 'role': 'assistant'}]