Continental climates are often found to be relatively dry. Most of the moisture carried by air masses originating over ocean regions far away is lost as rainfall earlier in its journey. Regions of the Earth that have continental climates include Siberia and central Russia, and much of North America.
A. 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.. 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.
When does menopause occur? Menopause usually occurs between the ages of 45 and 55 â the average age is 51. However, it can occur earlier or later than this â every woman is different. If you are a smoker, you may reach menopause a year or 2 earlier than non-smokers. Also, there are certain medical conditions and treatments that can cause premature menopause (menopause before the age of 40) or early menopause (menopause between 40 and 45).