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: Social & Preventive Medicine
[{'content': 'Perinatal period is defined as – \nSelect and explain. \nA. From 20 week of gestation to birth, B. From 28 week of gestation to birth, C. From 28 week of gestation to one week after birth, D. From birth to one month after birth', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Perinatal period includes : (i) Late fetal period (from 28th week gestation onwards) and (ii) Early neonatal period (1st week of life).', 'role': 'assistant'}]