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.
A woman is said to be in menopause after she has gone for one full year without periods. While most women in the United States go through menopause around the age of 51, a small number will experience menopause as early as age 40 or as late as their late 50s. Rarely, menopause occurs after age 60. When menopause is diagnosed before age 40, it is considered to be abnormal or premature menopause.