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': 'Most important risk factor for neonatal respiratory distress syndrome – \nSelect and explain. \nA. Diabetic mother, B. Asphyxia, C. Prematurity, D. Twin pregnancy', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hyaline membrane disease (HAM) or respiratory distress syndrome\xa0 (RDS) \n\nHMD always occurs in preterm babies often less than 34 weeks of gestation.\nIt is the commonest cause of respiratory distress in a preterm neonate.\nPredisposing factors for HMD are --> Prematurity (most important), asphyxia, acidosis, maternal diabetes, multiple birth, cesarean section delivery, cold stress and a history of previously affected infants.\nIncidence is highest in preterite male and white infant.\nRisk is reduced in pregnancies with pregnancy associated hypertension, maternal heroin use, prolonged rupture of membranes, and antenatal carticosteroid prophylaxis.', 'role': 'assistant'}]