This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast Milk & Breast Feeding, Subject name: Pediatrics
[{'content': 'The most effective intervention to reduce newborn and child deaths is? \nSelect and explain. \nA. Exclusive breastfeeding for 1st 6 months, B. Vitamin D supplementation for 1st year of life, C. Iron supplementation from 6 to 12 months age, D. Temperature control in the neonatal period', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The most effective intervention to reduce newborn and child deaths: Exclusive breastfeeding for 1st 6 months It has reduces moality by 13%', 'role': 'assistant'}]