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
Most common cause of menorrhagia in childbear-ing period: 
Select and explain. 
A. Fibroid, B. Dysfunctional uterine bleeding, C. Pelvic endometriosis, D. Adenomyosis
B: Dysfunctional uterine bleeding
Answer: B: Dysfunctional uterine bleeding 
Explanation: None