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
Rule of Hasse is used to determine? 
Select and explain. 
A. The age of fetus, B. Height of an adult, C. Race of a person, D. Identification
A: The age of fetus
Answer: A: The age of fetus 
Explanation: (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.