Treatment for irregular menstruation depends on the reason for the irregularity; in some cases, it might not be required at all. Check out this resource forgeneral treatment info.

One cause of irregular menstruation, polycystic ovary syndrome, can be serious. Check out this overview of signs, symptoms, causes and more.

Oligomenorrhea, or irregular menstruation, requires diagnosis first. The self-help measures listed here can usually solve the issue.

Check out this list of common irregular menstruation causes. While some are cause for concern and others aren't, see a doctor if you're usually regular and this occurs more than once.

A 17-year old girl asks why she's having irregular menstruation; the featured doctor answers that it could be normal or related to pregnancy or another condition. Read more here.

Read more about possible causes of irregular mentruation, including eating disorders and excessive exercise. This article includes what can be done about the issue.

This extensive resource on irregular menstruation and related topics, diagnosis and treatment includes when you should see a doctor.

This research abstract suggests that young women with asthma tend to have more irregular periods than other women; why is this so/

Read here how for some women, chemotherapy can result in changes to the menstruation cycle and even early menopause.

After a girl starts her period, she might experience irregular menstruation for as long as two years. Learn the specific reasons why irregular periods occur.

Irregular menstruation could be caused by anemia. Read more about the signs and symptoms of anemia and what to do about it.

Irregular menstruation is sometimes called anovulatory bleeding or dysfunctional uterine bleeding. Read here for info on symptoms, causes, diagnosis, prognosis and more.

Read QAs on irregular menstruation, including that of a woman who stopped having periods when under stress and another on a woman who starting having periods on hormone replacement therapy.