This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Maternal and child care, Subject name: Social & Preventive Medicine
[{'content': 'Perinatal moality rate includes \nSelect and explain. \nA. Deaths within first week of life only, B. Aboions, still bihs and deaths within first week of life, C. Deaths from 28weeks to within first week of life, D. Deaths within one month of life', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Perinatal moality rate = Lare fetal deaths (28 weeks + of gestation) + postnatal deaths (first week) in a year / Live bihs in a year x 1000Park 23e pg: 562', 'role': 'assistant'}]