<prompt> In AUB, there is :Increased estrogenDecreased receptors of progesteroneDecreased receptors of estrogenPituitary imbalance of hormones  <response>: Most Common cause of AUB is anovulatory cycles with excessive or unopposed action of oestrogen on the endometrium Reference: Shaw;s textbook of Gynaecology; 15th edition; Pg no:301 