{"id":6267,"date":"2014-09-08T12:31:39","date_gmt":"2014-09-08T10:31:39","guid":{"rendered":"https:\/\/www.imferblog.com\/?p=6267"},"modified":"2026-05-10T21:50:13","modified_gmt":"2026-05-10T19:50:13","slug":"jennifer-aniston-enbarazo-in-vitro","status":"publish","type":"post","link":"https:\/\/www.imferblog.com\/?p=6267","title":{"rendered":"FIV y maternidad despu\u00e9s de los 40: qu\u00e9 es posible | IMFER Blog"},"content":{"rendered":"<p>La maternidad despu\u00e9s de los 40 a\u00f1os ha dejado de ser una excepci\u00f3n para convertirse en una realidad estad\u00edstica creciente. Seg\u00fan el Instituto Nacional de Estad\u00edstica, la maternidad despu\u00e9s de los 40 en Espa\u00f1a ha aumentado un 27% en la \u00faltima d\u00e9cada. Detr\u00e1s de muchos de esos nacimientos hay un tratamiento de reproducci\u00f3n asistida. Y detr\u00e1s de muchos de esos tratamientos, hay mujeres que, como tantas famosas que han hecho p\u00fablica su experiencia, eligieron preservar sus \u00f3vulos en su momento o acudir a la donaci\u00f3n cuando fue necesario.<\/p>\n<h2>La realidad biol\u00f3gica de la fertilidad despu\u00e9s de los 40<\/h2>\n<p>La fertilidad femenina disminuye de forma progresiva a partir de los 30 a\u00f1os y se acelera significativamente a partir de los 35-37. Esta reducci\u00f3n no es solo cuantitativa (menos \u00f3vulos disponibles) sino tambi\u00e9n cualitativa: la proporci\u00f3n de \u00f3vulos cromos\u00f3micamente anormales aumenta con la edad, lo que eleva el riesgo de fallo de implantaci\u00f3n, aborto y alteraciones cromos\u00f3micas como la trisom\u00eda 21.<\/p>\n<p>A los 40 a\u00f1os, una mujer sin factores adicionales de infertilidad tiene aproximadamente un 5-10% de probabilidades de embarazo por ciclo natural. Con fecundaci\u00f3n in vitro con \u00f3vulos propios, las tasas de \u00e9xito por transferencia oscilan entre el 10% y el 20%, dependiendo de la reserva ov\u00e1rica y la calidad embrionaria. Estos porcentajes son menores que los obtenidos con \u00f3vulos propios en mujeres m\u00e1s j\u00f3venes, pero son una oportunidad real.<\/p>\n<h2>La donaci\u00f3n de \u00f3vulos: cuando los propios no son suficientes<\/h2>\n<p>Cuando la reserva ov\u00e1rica est\u00e1 muy disminuida o cuando los intentos con \u00f3vulos propios no han dado resultado, la donaci\u00f3n de \u00f3vulos es la alternativa con mayor tasa de \u00e9xito. Con \u00f3vulos de donante joven y sana, las tasas de embarazo por transferencia en IMFER se sit\u00faan en torno al 50-60%, independientemente de la edad de la receptora.<\/p>\n<p>En Espa\u00f1a, la donaci\u00f3n de \u00f3vulos es an\u00f3nima y altruista. Los donantes son mujeres j\u00f3venes, sanas, sin enfermedades hereditarias documentadas, que pasan un proceso riguroso de selecci\u00f3n y que se someten a la estimulaci\u00f3n ov\u00e1rica de forma voluntaria. La receptora no conoce la identidad de la donante, pero s\u00ed puede conocer caracter\u00edsticas fenot\u00edpicas generales.<\/p>\n<p>Puedes ampliar informaci\u00f3n sobre el proceso completo de donaci\u00f3n de \u00f3vulos en nuestra <a href=\"\/guia-donacion-ovulos\/\">gu\u00eda de donaci\u00f3n de \u00f3vulos<\/a>.<\/p>\n<h2>Vitrificaci\u00f3n de \u00f3vulos: la opci\u00f3n para anticiparse<\/h2>\n<p>La mejor estrategia para quien quiere ser madre despu\u00e9s de los 40 sin depender de donaci\u00f3n es vitrificar los propios \u00f3vulos antes de que la calidad decline significativamente. La ventana de mayor eficacia est\u00e1 entre los 28 y los 35 a\u00f1os. Los \u00f3vulos congelados en esa franja mantienen la calidad del momento en que se congelaron, independientemente de cu\u00e1ndo se usen despu\u00e9s.<\/p>\n<p>Si tienes m\u00e1s de 38-40 a\u00f1os y est\u00e1s valorando tus opciones para ser madre, la consulta con nuestros especialistas en IMFER puede ayudarte a entender exactamente qu\u00e9 es posible en tu caso concreto. Cada mujer es diferente, y la reserva ov\u00e1rica var\u00eda mucho de una persona a otra. Puedes ampliar informaci\u00f3n en nuestra <a href=\"\/guia-completa-fecundacion-in-vitro\/\">gu\u00eda completa de fecundaci\u00f3n in vitro<\/a>.<\/p>\n<p class=\"imfer-article-cta-inline\">\u00bfTienes dudas sobre este tema? <a href=\"https:\/\/www.imfer.com\" target=\"_blank\" rel=\"noopener\">Consulta con nuestros especialistas en IMFER<\/a>.<\/p>\n<p><strong>Tambi\u00e9n puede interesarte:<\/strong> <a href=\"https:\/\/www.imferblog.com\/presion-social-maternidad-reloj-biologico-construccion-cultural\/\">Presi\u00f3n social y maternidad: el reloj biol\u00f3gico entre la\u2026<\/a> y <a href=\"https:\/\/www.imferblog.com\/parto-natural-vs-cesarea-ventajas-desventajas\/\">Parto natural vs. ces\u00e1rea: ventajas, desventajas y c\u00f3mo tomar\u2026<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La maternidad despu\u00e9s de los 40 a\u00f1os ha dejado de ser una excepci\u00f3n para convertirse en una realidad estad\u00edstica creciente. Seg\u00fan el Instituto Nacional de Estad\u00edstica, la maternidad despu\u00e9s de los 40 en Espa\u00f1a ha aumentado un 27% en la \u00faltima d\u00e9cada. Detr\u00e1s de muchos de esos nacimientos hay un &#8230;<\/p>\n","protected":false},"author":1,"featured_media":6268,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1266],"tags":[329,24,77,23],"class_list":["post-6267","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-maternidad","tag-bebe","tag-embarazo","tag-fiv","tag-maternidad","h-entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>FIV y maternidad despu\u00e9s de los 40 | IMFER Blog<\/title>\n<meta name=\"description\" content=\"Cada vez m\u00e1s mujeres buscan ser madres despu\u00e9s de los 40 mediante fecundaci\u00f3n in vitro. 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