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: Gynaecology & Obstetrics
During uterine contraction of labour, the uterine blood flow : 
Select and explain. 
A. Decreases, B. Increases, C. Does not change, D. Temporarily cases
A: Decreases
Answer: A: Decreases 
Explanation: Decreases