Abnormal uterine bleeding
medical condition
Abnormal uterine bleeding is vaginal bleeding from the uterus that is abnormally frequent, lasts excessively long, is heavier than normal, or is irregular. The term "dysfunctional uterine bleeding" was used when no underlying cause was present. Quality of life may be negatively affected.
The underlying causes may be structural or non-structural and are classified in accordance with the FIGO system 1 & 2. Common causes include: Ovulation problems, fibroids, the lining of the uterus growing into the uterine wall, uterine polyps, underlying bleeding problems, side effects from birth control, or cancer. Susceptibility to each cause is often dependent on an individual's stage in life (prepubescent, premenopausal, postmenopausal). More than one category of causes may apply in an individual case. The first step in work-up is to rule out a tumor or pregnancy. Vaginal bleeding during pregnancy may be abnormal in certain circumstances. Please see Obstetrical bleeding and early pregnancy bleeding for more information.
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