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 Start? Menopause is the point in time (not a period of time) when a woman has gone for 12 months without her menstrual period. This signals that she has passed her child bearing years and that her ovarian eggs have been depleted. Menopause takes place at the age of 51, although it may be much earlier or later for some women. Studies have indicated that women as young as 30 have reached menopause. When Does Postmenopause Start? Postmenopause is the period of time immediately following menopause.