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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]
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 ...
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 ]
[1] [4] [6] POI can be seen as part of a continuum of changes leading to menopause [7] that differ from age-appropriate menopause in the age of onset, degree of symptoms, and sporadic return to normal ovarian function. [8] POI affects approximately 1 in 10,000 women under age 20, 1 in 1,000 women under age 30, and 1 in 100 of those under age 40 ...
Menopause The Musical is a 2001 musical with book and lyrics by Jeanie Linders which premiered on March 28, 2001 in Orlando, Florida. The musical follows four mature women shopping for lingerie at a Bloomingdale's sale, with lyrics parodying popular music from the baby boomer era to reflect symptoms of the menopause .
Additional professional educational material provided by NAMS includes the textbook Menopause Practice: A Clinician's Guide; position statements on hormone therapy, management of menopausal symptoms, prevention and treatment of osteoporosis, and other topics; an annual scientific conference; and the e-mail newsletters First to Know, Menopause ...
Endocrinology (from endocrine + -ology) is a branch of biology and medicine dealing with the endocrine system, its diseases, and its specific secretions known as hormones.It is also concerned with the integration of developmental events proliferation, growth, and differentiation, and the psychological or behavioral activities of metabolism, growth and development, tissue function, sleep ...