OBSTETRICS & GYNECOLOGY Background Definition and Nomenclature Abnormal uterine bleeding associated with ovulatory dysfunction (AUB-O) (ie, oligo-ovulation or anovulation) is a spectrum of disorders most commonly associated with heavy, irregular uterine bleeding. Abnormal uterine bleeding (AUB) occurs in the setting of ovulatory dysfunction because of the effects of chronic unopposed estrogen o...

background: abnormal uterine bleeding is a common presentation of uterine abnormalities among premenopausal and postmenopausal women. objective: to evaluate and compare the diagnostic accuracy of saline contrast sonohysterography and hysteroscopy for detecting the cause of abnormal uterine bleeding. materials and methods: a total of 65 women with abnormal uterine bleeding were enrolled in this ...