In AUB, there is :: (A) Increased estrogen, (B) Decreased receptors of progesterone, (C) Decreased receptors of estrogen, (D) Pituitary imbalance of hormones
Answer is A. 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