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
The fetus can be considered viable if the following ossification center appears - 
Select and explain. 
A. Calcaneum, B. Manubrium sterni, C. Lower end of femur, D. None of the above
C: Lower end of femur
Answer: C: Lower end of femur 
Explanation: Ossification center for lower end femur appears at the end of 9th month of intrauterine life.
For calcaneum and manubrium sterni it appears by the end of 5th month.