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==Overview==
==Overview==
   
   
[[Menopause]] is the permanent cessation of the [[Menstrual cycles|menstrual cycle]] in [[women]] without any [[pathological]] causes because of [[Physiological|physiological deficiency]] production of [[estrogen]] hormone in [[women]].[[Menopause]] happens in [[women]] between 49 to 52 of age at the average, it is considered a natural end to [[fertility]] in [[women]]. [[Menopause]] is a date: the day after a woman's last [[period]] ever finishes. In common everyday parlance, however, the word "[[menopause]]" is usually not used to refer to one day, but the whole of the [[menopause]] transition years. This period time is also referred to as the change of life or the [[climacteric]],  the cessation of [[menses]], and '[[climacteric]]' to gradual changes of [[ovarian]] function that happens before the [[menopause]] and continue forever. And more recently is known as "[[perimenopause]]", (literally meaning "around [[menopause]]"). A woman is considered in [[menopause]] after [[amenorrhea]] for 12 months and she becomes suffering from the menopausal [[symptoms]] whose intensity varies from woman to another.  
In 1821, a French [[physician]] named the cessation of the [[menstrual cycle]] as a term of [[menopause]].The medical interest in [[menopause]] started in the mid-19th century, and was treated by [[estrogen replacement therapy]] in the 1970s. The Grandmother [[hypothesis]] considers that the [[menopause]] may have been selected for in [[human]] evolution. Unlike [[humans]], other [[mammals]] rarely experience [[menopause]], but some of the other few [[Mammals|mammal]] [[species]] that experience [[menstrual cycles]], such as rhesus monkeys and some cetaceans.
 
==Historical Perspective==
==Historical Perspective==
*In the past, the studies on cessation of the [[menstrual cycle]] after 40 years of age in [[women]] were very rare, a French [[physician]] named the cessation of the [[menstrual cycle]] as a term of [[menopause]] in 1821.


*In the past, the studies on cessation of the [[menstrual cycle]] after 40 years of age in [[women]] were very rare, A French [[physician]] named the cessation of the [[menstrual cycle]] as a term of [[menopause]] in 1821.
*The [[Medical|medical]] interest in [[menopause]] started in the mid-19th century and therefore knew the [https://www.webmd.com/menopause/guide/menopause-symptoms-types menopause symptoms] because of [[deficiency]] of [[Estrogen|estrogen hormone]] and was treated of [https://www.webmd.com/menopause/guide/menopause-symptoms-types menopause symptoms] by [[estrogen replacement therapy]] in the 1970s and had been developed in 1938.
 
*the medical interest in [[menopause]] started in the mid-19th century and therefore knew the [[menopause]] [[symptoms]] because of [[deficiency]] of [[estrogen]] hormone and was treated of [[menopause]] [[symptoms]] by [[estrogen replacement therapy]] in the 1970s and had been developed in 1938.
*International [[Menopause]] Society was founded in the 1970s and the first international conference on [[menopause]] was organized in Paris, France in 1976.
*International [[Menopause]] Society was founded in the 1970s and the first international conference on [[menopause]] was organized in Paris, France in 1976.
*Overall, [[women]] in western countries viewed [[menopause]] negatively contrasted with the positive outlook of [[women]] in developing countries like India.<ref name="pmid15981376">{{cite journal| author=Singh A, Kaur S, Walia I| title=A historical perspective on menopause and menopausal age. | journal=Bull Indian Inst Hist Med Hyderabad | year= 2002 | volume= 32 | issue= 2 | pages= 121-35 | pmid=15981376 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15981376  }} </ref>
*Overall, [[women]] in western countries viewed [[menopause]] negatively contrasted with the positive outlook of [[women]] in developing countries like India.<ref name="pmid15981376">{{cite journal| author=Singh A, Kaur S, Walia I| title=A historical perspective on menopause and menopausal age. | journal=Bull Indian Inst Hist Med Hyderabad | year= 2002 | volume= 32 | issue= 2 | pages= 121-35 | pmid=15981376 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15981376  }} </ref>


==The possible significance of menopause in human evolution==
==The possible significance of menopause in human evolution==
The Grandmother [[hypothesis]] considers that the [[menopause]] may have been selected for in [[human]] evolution, because later life [[infertility]] could have conferred an evolutionary advantage by allowing older [[women]] to spend more time helping with the survival of their existing [[children],] and grandchildren.
 
*The Grandmother [[hypothesis]] considers that the [[menopause]] may have been selected for in [[human]] evolution, because later life [[infertility]] could have conferred an evolutionary advantage by allowing older [[women]] to spend more time helping with the survival of their existing [[children]] and grandchildren.
 
==Menopause in other species==  
==Menopause in other species==  
Unlike [[humans]], other [[mammals]] rarely experience [[menopause]], but it does exist in some of the other few [[Mammals|mammal]] [[species]] that experience [[menstrual cycles]], such as rhesus monkeys<ref name="Walker">{{cite journal|author=Walker ML|title=Menopause in female rhesus monkeys|journal=Am J Primatol|volume=35|pages=59-71|year=1995}}</ref> and some cetaceans.<ref name="McAuliffe">{{cite journal|author=McAuliffe K, Whitehead H|title=Eusociality, menopause and information in matrilineal whales|journal=Trends Ecol Evolution|volume=20|pages=650|year=2005}}</ref>


However, [[menopause]] exists in some other animals, many of which do not have monthly [[menstruation]] in this case, the term means a natural end to [[fertility]]<big>.<ref name="pmid18495681">{{cite journal| author=Walker ML, Herndon JG| title=Menopause in nonhuman primates? | journal=Biol Reprod | year= 2008 | volume= 79 | issue= 3 | pages= 398-406 | pmid=18495681 | doi=10.1095/biolreprod.108.068536 | pmc=2553520 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18495681  }} </ref></big>
*Unlike [[humans]], other [[mammals]] rarely experience [[menopause]], but it does exist in some of the other few [[Mammals|mammal]] [[species]] that experience [[menstrual cycles]], such as rhesus monkeys<ref name="Walker">{{cite journal|author=Walker ML|title=Menopause in female rhesus monkeys|journal=Am J Primatol|volume=35|pages=59-71|year=1995}}</ref> and some cetaceans.<ref name="McAuliffe">{{cite journal|author=McAuliffe K, Whitehead H|title=Eusociality, menopause and information in matrilineal whales|journal=Trends Ecol Evolution|volume=20|pages=650|year=2005}}</ref>


==<big>References</big>==
*However, [[menopause]] exists in some other animals, many of which do not have monthly [[menstruation]] in this case, the term means a natural end to [[fertility]]<big>.<ref name="pmid18495681">{{cite journal| author=Walker ML, Herndon JG| title=Menopause in nonhuman primates? | journal=Biol Reprod | year= 2008 | volume= 79 | issue= 3 | pages= 398-406 | pmid=18495681 | doi=10.1095/biolreprod.108.068536 | pmc=2553520 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=18495681  }} </ref></big>
 
==References==
{{reflist|2}}
{{reflist|2}}
https://pubmed.ncbi.nlm.nih.gov/9867266/
 


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Latest revision as of 18:37, 22 February 2021

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Rahmah Al-Edresi, M.D.[2]

Overview

In 1821, a French physician named the cessation of the menstrual cycle as a term of menopause.The medical interest in menopause started in the mid-19th century, and was treated by estrogen replacement therapy in the 1970s. The Grandmother hypothesis considers that the menopause may have been selected for in human evolution. Unlike humans, other mammals rarely experience menopause, but some of the other few mammal species that experience menstrual cycles, such as rhesus monkeys and some cetaceans.

Historical Perspective

The possible significance of menopause in human evolution

  • The Grandmother hypothesis considers that the menopause may have been selected for in human evolution, because later life infertility could have conferred an evolutionary advantage by allowing older women to spend more time helping with the survival of their existing children and grandchildren.

Menopause in other species

References

  1. Singh A, Kaur S, Walia I (2002). "A historical perspective on menopause and menopausal age". Bull Indian Inst Hist Med Hyderabad. 32 (2): 121–35. PMID 15981376.
  2. Walker ML (1995). "Menopause in female rhesus monkeys". Am J Primatol. 35: 59–71.
  3. McAuliffe K, Whitehead H (2005). "Eusociality, menopause and information in matrilineal whales". Trends Ecol Evolution. 20: 650.
  4. Walker ML, Herndon JG (2008). "Menopause in nonhuman primates?". Biol Reprod. 79 (3): 398–406. doi:10.1095/biolreprod.108.068536. PMC 2553520. PMID 18495681.


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