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.
The average American woman enters menopause by age 51, but the hormone level shifts that trigger menopause can actually begin years, even decades earlier. Known as perimenopause, this condition can begin as early as age 35, and lasts anywhere from a few months to 10 years.he average American woman enters menopause by age 51, but the hormone level shifts that trigger menopause can actually begin years, even decades earlier. Known as perimenopause, this condition can begin as early as age 35, and lasts anywhere from a few months to 10 years.