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
Mechanism of action of aboion stick used in criminal aboion: AIIMS 06; AI 08 
Select and explain. 
A. Necrosis of endometrium causing infection, B. Uterine contraction, C. Stimulation of uterine nerves, D. Inducing uterine relaxation
B: Uterine contraction
Answer: B: Uterine contraction 
Explanation: Ans. Uterine contraction