{"id":81,"date":"2024-02-23T18:42:30","date_gmt":"2024-02-23T17:42:30","guid":{"rendered":"https:\/\/menoscope.fr\/?p=81"},"modified":"2024-05-15T15:49:02","modified_gmt":"2024-05-15T13:49:02","slug":"la-theorie-de-la-grand-mere","status":"publish","type":"post","link":"https:\/\/menoscope.fr\/index.php\/2024\/02\/23\/la-theorie-de-la-grand-mere\/","title":{"rendered":"La th\u00e9orie de la grand-m\u00e8re"},"content":{"rendered":"\n<p>Plusieurs explications sont avanc\u00e9es pour expliquer l\u2019existence de la m\u00e9nopause. La premi\u00e8re est li\u00e9e \u00e0 l\u2019allongement de l\u2019esp\u00e9rance de vie depuis l\u2019apparition de l\u2019humanit\u00e9. La m\u00e9nopause n\u2019est ainsi devenue une r\u00e9alit\u00e9 que lorsque les femmes ont pu vivre au-del\u00e0 de la cinquantaine. <\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-color has-link-color wp-elements-e6a62bd71074315409fe6c3ae4cf2408\" style=\"color:#1b7a7f\">R\u00f4le social de la m\u00e9nopause<\/h4>\n\n\n\n<p>Une autre th\u00e9orie repose sur un aspect social. Dans la plupart des esp\u00e8ces, les femelles meurent peu apr\u00e8s avoir cess\u00e9 de se reproduire&nbsp;: l\u2019humain est, avec l\u2019orque, l\u2019une des rares esp\u00e8ces concern\u00e9es par la m\u00e9nopause. Tous deux ont en commun de vivre en famille, au sein de groupes stables parmi lesquels chaque individu est identifiable par les autres. Chez les orques, les femelles \u00e2g\u00e9es tendent \u00e0 diriger les groupes pour en favoriser l\u2019alimentation et la survie. Par transposition, le m\u00eame r\u00f4le pourrait \u00eatre advenu chez la femme. La pause de l\u2019activit\u00e9 ovarienne permettrait \u00e0 la femme d\u2019occuper un nouveau r\u00f4le social.<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-color has-link-color wp-elements-99b6d97bf241081857c73de8e8f49409\" style=\"color:#1b7a7f\">Th\u00e9orie \u00e9volutionniste de la m\u00e9nopause<\/h4>\n\n\n\n<p>Une autre hypoth\u00e8se, controvers\u00e9e car elle ne tient pas compte de l\u2019absence d\u2019infertilit\u00e9 anticip\u00e9e chez les hommes, avance que la grand-m\u00e8re, n&rsquo;\u00e9tant plus en capacit\u00e9 de procr\u00e9er, peut consacrer davantage de temps et d&rsquo;\u00e9nergie \u00e0 s&rsquo;occuper de ses enfants et petits-enfants, favorisant ainsi leur survie et donc, leur propre capacit\u00e9 \u00e0 se reproduire.<\/p>\n\n\n\n<p class=\"has-small-font-size\">Sources : <br><a href=\"https:\/\/www.inserm.fr\/dossier\/menopause\/\" target=\"_blank\" rel=\"noreferrer noopener\">Inserm &#8211; Dossier m\u00e9nopause<\/a><br><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC18762\/\" target=\"_blank\" rel=\"noreferrer noopener\">Grandmothering, menopause, and the evolution of human life histories<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Plusieurs hypoth\u00e8ses ont \u00e9t\u00e9 avanc\u00e9es pour expliquer l\u2019existence de la m\u00e9nopause chez les femmes et d\u2019autres rares esp\u00e8ces de mammif\u00e8res.<\/p>\n","protected":false},"author":1,"featured_media":84,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,20],"tags":[],"class_list":["post-81","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-etonnant-non"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.5 - 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