The Menopause Transition. Menopause occurs when a woman's ovaries nearly stop producing hormones like estrogen and progesterone, which ultimately results in the cessation of both menstruation and fertility. However, the symptoms of menopause can begin long before the last period. This phase is called perimenopause.
http://www.34-menopause-symptoms.com/articles/what-age-do-women-start-to-get-menopause-symptoms.htm
Here are three things you might think would influence menopause age, but don’t: 1  Age at first period. 2  Pregnancy and breastfeeding. 3  Use of hormonal birth control methods.
http://www.webmd.com/menopause/features/menopause-age-prediction
Hot flashes: Hot flashes are the most common symptom of menopause. According to some studies, hot flashes occur in as many as 75% of perimenopausal women. Hot flash symptoms vary among women. Commonly, a hot flash is a feeling of warmth that spreads over the body, lasting from around 30 seconds to a few minutes.
http://www.emedicinehealth.com/menopause/page2_em.htm
Menopause is when a woman's menstrual period stops permanently. Periods can stop for a while and then start again, so a woman is considered to have been through menopause only after one year without periods. Read on to learn what to expect and ways to stay strong and healthy in the years around menopause. Topics.
https://www.womenshealth.gov/menopause/
But if most of the women in your family, your mother included, reach menopause early, late, or somewhere in the middle, you can eye your calendar with some degree of confidence. Menopause Age: 4 More Influences. Your mother's age at menopause is a key factor, but not the only one. Smoking .
http://www.webmd.com/menopause/features/menopause-age-prediction
Perimenopause, or menopause transition, begins several years before menopause. It's the time when the ovaries gradually begin to make less estrogen. It usually starts in a woman's 40s, but can start in her 30s or even earlier. Perimenopause lasts up until menopause, the point when the ovaries stop releasing eggs. In the last 1 to 2 years of perimenopause, this drop in estrogen speeds up. At this stage, many women have menopause symptoms.
http://www.webmd.com/menopause/guide/guide-perimenopause
Perimenopause means around menopause and refers to the time during which your body makes the natural transition to menopause, marking the end of the reproductive years. Perimenopause is also called the menopausal transition. Women start perimenopause at different ages. You may notice signs of progression toward menopause, such as menstrual irregularity, sometime in your 40s. But some women notice changes as early as their mid-30s. The level of estrogen — the main female hormone — in your body rises and falls unevenly during perimenopause.
http://www.mayoclinic.org/diseases-conditions/perimenopause/home/ovc-20253772
Thinning of the skin. Bone loss: Rapid bone loss is common during the perimenopausal years. Most women reach their peak bone density when aged 25 to 30 years. After that, bone loss averages 0.13% per year. During perimenopause, bone loss accelerates to about a 3% loss per year.
http://www.emedicinehealth.com/menopause/page2_em.htm
Menopause is defined as the absence of menstrual periods for 12 months. It is the time in a woman's life when the function of the ovaries ceases. The process of menopause does not occur overnight, but rather is a gradual process. This so-called perimenopausal transition period is a different experience for each woman.
http://www.medicinenet.com/menopause/article.htm
The average age of menopause is 51 years old, but menopause may occur as early as the 30s or as late as the 60s. There is no reliable lab test to predict when a woman will experience menopause. The age at which a woman starts having menstrual periods is not related to the age of menopause onset.
http://www.medicinenet.com/menopause/article.htm
when can menopause start
Menopause starts around age 51, but it may occur as early as the age between 31 and 39 or as late as the age from 61 to 69.