Low-pressure System An area of a relative pressure minimum that has converging winds and rotates in the same direction as the earth. This is counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. Also known as an cyclone, it is the opposite of an area of high pressure, or a anticyclone. See closed low, cold low, and cut-off low for further examples.
There is no set age at which all women will start to go through menopause. The average age of menopause in the United States is 51, but it is considered perfectly normal for a woman to go through it at any time between the ages of 35 and 59, says Lila Schmidt, MD, a reproductive endocrinologist in private practice in San Diego. âAnything above 35 is not premature,â she says.
The average age for a woman to stop having periods is 51 years. Menopause is a normal part of a woman's life and does not always need to be treated. However, the changes that happen before and after menopause can be disruptive. If you have bothersome symptoms, effective treatments are available.