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
In DUB, there is : 
Select and explain. 
A. Increased oestrogen, B. Decreased receptors of progesterone, C. Decreased receptors of oestrogen, D. Pituitary imbalance of hormones
A: Increased oestrogen
Answer: A: Increased oestrogen 
Explanation: Ans. is a i.e. Increased estrogen DUB is defined as a state of abnormal uterine bleeding without any clinically detectable organic pelvic pathology (viz tumor, inflammation or pregnancy). Its etiology is purely hormonal di la the hyperophy and hyperplasia of the endometnum are induced by a high titre of estrogen in the circulating blood. Also know : Hormone which is deficient in DUB - Progesteronedeg.