DUB Physiology Abbreviation

Dysfunctional Uterine Bleeding

Dysfunctional uterine bleeding (DUB) is a condition that affects nearly every woman at some point in her life. Also called abnormal uterine bleeding (AUB), DUB is a condition that causes vaginal bleeding to occur outside of the regular menstrual cycle. Certain hormonal conditions and medications may also trigger DUB.