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: Forensic Medicine
[{'content': 'According to Galstaun method, iliac crest fuses in females at the age of: \nSelect and explain. \nA. 13-15 years, B. 15-17 years, C. 17-19 years, D. 19-20 years', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. c. 17-19 years According to Galstaun method, iliac crest fuses in females at the age of 17-19 years. Galstaun 1937 On Bengalis (Indian): Epiphyseal Fusion in Iliac Crest; Male: 19-20 years and Female: 17-19 years.' Estimation of Age from Epiphyseal Fusion in Iliac Crest (J Indian Acad Forensic Med. Jan-Mar 2011, Vol. 33, No. 1) Table no. 4 Galstaun G observed fusion of iliac crest in bengalee girls, between 17-19 years which is earlier. Dasgupta et al in Uttar Pradesh found fusion of the iliac crest at 19-20 years, which is similar with majority of the cases in this study. Sank/cyan S et al in Himachal Pradesh found fusion of the iliac crest in girls at 21 years which is a little later than the finding in this study.'", 'role': 'assistant'}]