This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Law & Medicine, Identification, Autopsy & Burn, Subject name: Forensic Medicine
Rule of Haase is used to calculate - 
Select and explain. 
A. Age of fetus, B. Length of femur, C. Diameter of skull, D. Percentage of bums
A: Age of fetus
Answer: A: Age of fetus 
Explanation: Ans. is 'a' i.e., Age of fetus Rule of Haaseo Hess's rule (Haase's rule) : It is a rough method for calculating the age of fetus by measuring the length from crown to heel.o Upto 5th month of gestation, length of foetus in cm is square of the month of gestation and beyound 5 months, length in cm is 5 times the month of gestation.