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': 'Which one of the following medical disorders leads to delayed foetal lung maturity – \nSelect and explain. \nA. Heart disease, B. Diabetes, C. Thalassemia minor, D. Epilepsy', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Maternal diabetes predisposes to HMD.', 'role': 'assistant'}]