In DUB, there is :

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.