月经过多大多是良性病症 ,但可引发情绪低落、不善交际。月经过多可定义为每月月经失血超过 80ml。其可能由以下病理情况产生 ,例如恶性肿瘤、子宫肌瘤、子宫息肉、感染或血液病。然而 ,大多数病例 (约 80 % )没有找到严重出血的确切原因 ,因而被描述为子宫异常功能性出血。持 Most of the menorrhagia is a benign condition, but can lead to depression, not sociable. Menorrhagia can be defined as monthly menstrual blood loss of more than 80ml. It may be caused by pathological conditions such as malignancy, uterine fibroids, uterine polyps, infections or blood diseases. However, most cases (about 80%) did not find the exact cause of severe bleeding and were therefore described as dysfunctional uterine bleeding. hold