Science Identity Science Identity Construction The central focus of XSciâs work is science identity construction â or the psychological processes by which people become inspired by science, engineering, technology, and mathematics (STEM) to the point of personal relevance, ownership, and integration into the sense of self.
When women in their late thirties or early forties begin to have symptoms of perimenopause such as hot flashes or vaginal dryness, they often wonder whether this is an early menopause. While the average age of menopause in the United States is 51, the usual range is from 45 to 55. If you completely stop having periods before the age of 45, it is called an early menopause. If you stop menstruating even earlier -- before the age of 40 -- it is called premature menopause. There are several reasons you might experience early menopause, including: Surgery to remove your ovaries.
Stages of Menopause. During menopause, a woman has her last menstrual period, usually around the age of 51. This marks the end of the fertile phase in a woman's life. The time before and after this last menstrual period, during which a woman's body goes through several changes, is divided into four stages of menopause. The graph below shows the hormonal fluctuations and menopause symptoms experienced during the stages of menopause.