Factors that increase your risk of developing dysfunctional uterine bleeding include:

• Your age. Dysfunctional uterine bleeding is more common in teens, at the beginning of the reproductive years, and in perimenopausal women at the end of their reproductive years.
• Your weight. Overweight women more commonly develop dysfunctional uterine bleeding.

Some women have dysfunctional uterine bleeding even though they have no risk factors.

For more information about medical factors that can increase a woman's risk of vaginal bleeding problems, such as disease, infection, or pregnancy complications, see the topic Abnormal Vaginal Bleeding.