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
Intersitial myomas predispose to menorrhagia by: 
Select and explain. 
A. Inhibiting uterine contractility, B. Degeneration, C. Erosion of endometrial mucosa, D. Mechanism not known
A: Inhibiting uterine contractility
Answer: A: Inhibiting uterine contractility 
Explanation: Inhibiting uterine contractility