Normal vaginal bleeding is the periodic blood flow from the uterus.
Normal vaginal bleeding is also called menorrhea. The process by which menorrhea occurs is called menstruation.
In order to determine whether bleeding is abnormal, and its cause, the doctor must answer 3 questions: Is the woman pregnant? What is the pattern of the bleeding? Is she ovulating?
Abnormal vaginal bleeding in women who are ovulating regularly most commonly involves excessive, frequent, irregular, or decreased bleeding.
There are many causes of abnormal vaginal bleeding that are associated with irregular ovulation.
A woman who has irregular menstrual periods requires a physical examination with a special emphasis on the thyroid, breast, and pelvic organs.
Treatment for irregular vaginal bleeding depends on the underlying cause. After the cause is determined, the doctor decides if treatment is actually necessary.