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Menopause, also known as the climacteric, is the time when menstrual periods permanently stop, marking the end of reproduction. [1] [6] [7] It typically occurs between the ages of 45 and 55, although the exact timing can vary. [8] Menopause is usually a natural change related to a decrease in circulating blood estrogen levels. [3]
Menopause is a nearly universal experience for women who live to middle age. In the United States, an estimated 1.3 million women enter menopause every year. Around 90% of women experience ...
In this episode of In Conversation, we look at some of the most important information everyone should have about perimenopause and menopause with our special guest, Dr. Kate Clancy, from the ...
Exercise: With menopause comes weight gain and more belly fat, Tang says, and that's due to all the metabolic changes going on with your body. If you start to notice the pounds packing on, she ...
Menopause is the permanent cessation of menstruation resulting from loss of ovarian follicular activity, defined as beginning twelve months after the final natural menstrual cycle. This twelve month time point divides menopause into early and late transition periods known as 'perimenopause' and 'postmenopause'. [ 4 ]
The grandmother hypothesis is a hypothesis to explain the existence of menopause in human life history by identifying the adaptive value of extended kin networking. It builds on the previously postulated "mother hypothesis" which states that as mothers age, the costs of reproducing become greater, and energy devoted to those activities would be better spent helping her offspring in their ...
The theories discussed above assume that evolution directly selected for menopause. Another theory states that menopause is the byproduct of the evolutionary selection for follicular atresia, a factor that causes menopause. Menopause results from having too few ovarian follicles to produce enough estrogen to maintain the ovarian-pituitary ...
The Menopause Society was founded in 1989 by Dr. Wulf Utian, the Arthur H. Bill Professor Emeritus of Reproductive Biology at Case Western Reserve University School of Medicine and one of the three original Founders of the International Menopause Society. [3]