Menopause simply means the end of menstruation for one year. As a woman ages, there is a gradual decline in the function of her ovaries and the production of estrogen. Around the time a woman turns 40, this process speeds up. This transition is known as perimenopause.
Women typically menstruate for the last time at about 50 years of age. A few stop menstruating as young as 40, and a very small percentage as late as 60. Women who smoke tend to go through menopause a few years earlier than nonsmokers...
is the process of change that leads up to menopause. It can start as early as
your late 30s or as late as your early 50s. How long perimenopause lasts
varies, but it usually lasts from 2 to 8 years. You may have irregular periods
or other symptoms during this time.
Menopause is a natural part of
growing older. You don't need treatment for it unless your symptoms bother you.
But it's a good idea to learn all you can about menopause. Knowing what to
expect can help you stay as healthy as possible during this new phase of your
What causes menopause?
Normal changes in your
reproductive and hormone systems cause menopause. As your egg supply ages, your
body begins to
ovulate less often. During this time, your
hormone levels go up and down unevenly (fluctuate),
causing changes in your periods and other symptoms. In time,
progesterone levels drop enough that the menstrual
Some medical treatments can cause your periods to
stop before age 40. Having your ovaries removed, having
radiation therapy, or having
chemotherapy can trigger early menopause.