This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Forensic Medicine
[{'content': 'Rule of Hasse is used to determine? \nSelect and explain. \nA. The age of fetus, B. Height of an adult, C. Race of a person, D. Identification', 'role': 'user'}, {'content': "Answer: A \nExplanation: (A) The age of fetus # HASSE'S RULE is employed to calculate the age of the foetus on the basis of the length according to months of gestation and calculating the age of fetus from its length.> During the first five months of pregnancy, the length in cms is square of the age in months i.e. Rule of Hasse.", 'role': 'assistant'}]