This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: New born infants, Subject name: Pediatrics
[{'content': 'After the delivery of an infant of a diabetic mother, blood glucose of the infant was 60 mg/dl. Which other investigation would you except the clinician to do? \nSelect and explain. \nA. Serum Potassium, B. CBC, C. Serum Chloride, D. Serum Calcium', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Serum calcium should be estiamated in this baby to rule out hypocalcemia. Infants of diabetic mothers are at high risk of developing Hypoglycemia Hypocalcemia Hypomagnesemia Hypocalcemia is defined as a total serum calcium concentration of less than 8 mg/dl for a term baby and less than 7 mg/dl for a preterm baby. Ref: Nelson textbook of pediatrics 21st edition Pgno: 913', 'role': 'assistant'}]