Vaginal bleeding is considered abnormal if it is not caused by pelvic disease, medicine, pregnancy, or another disease process. The following terms are used to describe abnormal vaginal bleeding:
| Term | Definition |
|---|---|
| Menorrhagia | Prolonged or excessive menstrual bleeding at regular intervals |
| Metrorrhagia | Irregular, frequent menstrual bleeding that is not prolonged or excessive |
| Menometrorrhagia | Prolonged or excessive menstrual bleeding at irregular intervals |
| Polymenorrhea | Regular menstrual bleeding at intervals of less than 21 days |
| Oligomenorrhea | Menstrual bleeding at intervals of more than 45 days |
| Amenorrhea | No menstrual bleeding for at least 3 usual cycle lengths |
| Intermenstrual | Menstrual bleeding between regular menstrual cycles |
WebMD Medical Reference from Healthwise