Abstract
Abnormal uterine bleeding (AUB) in the reproductive years in non-pregnant women comprises a group of symptoms that include abnormal frequency and the irregular onset of flow as well as prolonged and heavy menstrual bleeding. It is a common, chronic, and debilitating condition affecting women worldwide with an adverse impact on their quality of life. Until the last decade, the “menstrual” terminology used to describe both normal and abnormal uterine bleeding and its underlying causes was inconsistent, creating considerable confusion. Using standardized terminology may potentially improve clinical management as well as help designing and interpreting basic, translational, epidemiological, and clinical research in women with menstrual problems. In this article, we explore the history and evolution of menstrual terminology and discuss the two International Federation of Gynecology and Obstetrics (FIGO) systems on i.e., (A) menstrual terminology and definitions (B) and the causes of AUB, achieved through international consensus of relevant stakeholders through a long multistage journey.
Highlights
Abnormal uterine bleeding (AUB) in the reproductive years in non-pregnant women comprises a group of symptoms that include abnormal frequency and the irregular onset of flow as well as prolonged and heavy menstrual bleeding; the latter referred to as HMB
We explore the history of menstrual terminology, the potential causes of AUB symptoms, the continuing evolution to the current versions of the two systems developed by the International Federation of Gynecology and Obstetrics (FIGO) as per the FIGO Committee on Menstrual Disorders, known as the MDC
What is FIGO AUB System 1? To start with, System 1 describes non-gestational abnormal uterine bleeding (AUB) in the reproductive years as an overarching term for disturbances in one or more aspects of menstruation including the frequency, regularity, duration, and volume of menses including the presence of bleeding between periods and unanticipated bleeding associated with the use of medications such as gonadal steroids for contraception
Summary
Abnormal uterine bleeding (AUB) in the reproductive years in non-pregnant women comprises a group of symptoms that include abnormal frequency and the irregular onset of flow as well as prolonged and heavy menstrual bleeding; the latter referred to as HMB. The process was called “Terminologies, Definitions and Classifications of Abnormal Uterine Bleeding (AUB)” and the aim was to determine consensus to support clinical care, trainee education, and the future design and interpretation of basic, translational, clinical and epidemiologic research related to non-gestational abnormal uterine bleeding in the reproductive years [16, 18].
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