Amenorrhea is the medical term for absence of periods. Although there are times when a woman will not menstruate, during pregnancy or menopause for example, any other skipped periods may be a symptom of a medical problem. Follow the links below to find WebMD's comprehensive coverage about how amenorrhea is caused, how to treat it, and much more.
What Is a Prolactinoma?
A prolactinoma, a type of pituitary gland tumor, can cause missed periods, low sex drive, vision problems, and more. Here's what you need to know.
What Is Amenorrhea? What Causes It?
Doctors use this word to describe the absence of menstrual periods. But why does it happen?
All About Menstruation
Menstruation doesn't need to be a mystery. Learn more from WebMD about puberty and starting your period.
Why Is My Period So Random? Why Irregular Periods Happen
Many women have irregular periods. How "off" is yours?