{"id":7234,"date":"2016-10-18T14:43:13","date_gmt":"2016-10-18T12:43:13","guid":{"rendered":"https:\/\/www.imferblog.com\/?p=7234"},"modified":"2026-05-10T21:53:05","modified_gmt":"2026-05-10T19:53:05","slug":"factores-que-pueden-influir-en-la-fertilidad","status":"publish","type":"post","link":"https:\/\/www.imferblog.com\/?p=7234","title":{"rendered":"Factores que afectan a la fertilidad: gu\u00eda completa | IMFER Blog"},"content":{"rendered":"<p>La fertilidad humana es el resultado de la interacci\u00f3n de m\u00faltiples factores. Algunos son gen\u00e9ticos y estructurales, dif\u00edciles de modificar. Otros dependen del estilo de vida y los h\u00e1bitos cotidianos, y sobre ellos s\u00ed podemos actuar. Conocer cu\u00e1les son y c\u00f3mo influyen es el primer paso para optimizar las posibilidades de concebir.<\/p>\n<h2>Factores f\u00edsicos y m\u00e9dicos<\/h2>\n<p>Las causas org\u00e1nicas de infertilidad son las m\u00e1s conocidas: alteraciones ov\u00e1ricas (s\u00edndrome de ovario poliqu\u00edstico, fallo ov\u00e1rico), endometriosis, obstrucci\u00f3n tub\u00e1rica, miomas uterinos, alteraciones del semen o causas gen\u00e9ticas. Estas causas requieren estudio y tratamiento espec\u00edfico por parte de un especialista en reproducci\u00f3n.<\/p>\n<h2>El peso corporal y la fertilidad<\/h2>\n<p>Tanto la obesidad como el bajo peso corporal interfieren con la funci\u00f3n hormonal y pueden alterar la ovulaci\u00f3n y la calidad esperm\u00e1tica. El \u00cdndice de Masa Corporal (IMC) \u00f3ptimo para la funci\u00f3n reproductiva se sit\u00faa entre 20 y 25. Antes de iniciar un tratamiento de reproducci\u00f3n asistida, en IMFER valoramos el IMC de ambos miembros de la pareja y, cuando es necesario, recomendamos un abordaje nutricional previo al ciclo.<\/p>\n<h2>Tabaco, alcohol y fertilidad<\/h2>\n<p>El tabaco es uno de los factores modificables con mayor impacto demostrado sobre la fertilidad. Puede reducir hasta un 50% las posibilidades de gestaci\u00f3n, afectando tanto a la funci\u00f3n hormonal femenina como a la calidad esperm\u00e1tica masculina. La p\u00e9rdida de fertilidad asociada al tabaquismo puede revertirse en aproximadamente un a\u00f1o tras dejarlo.<\/p>\n<p>El alcohol tambi\u00e9n tiene efectos negativos documentados. Un consumo diario de dos o tres bebidas alcoh\u00f3licas en mujeres multiplica por 1,6 el riesgo de infertilidad. En varones, el alcohol puede reducir los niveles de testosterona y alterar la espermatog\u00e9nesis.<\/p>\n<h2>El estr\u00e9s y su relaci\u00f3n con la infertilidad<\/h2>\n<p>La relaci\u00f3n entre estr\u00e9s e infertilidad es bidireccional. El estr\u00e9s cr\u00f3nico puede afectar al eje hipot\u00e1lamo-hipofisario y reducir la ovulaci\u00f3n hasta un 20% en algunos estudios. A su vez, el propio proceso de buscar el embarazo genera estr\u00e9s, creando un ciclo dif\u00edcil de romper. Aproximadamente 1 de cada 3 mujeres en tratamiento de reproducci\u00f3n asistida presenta s\u00edntomas de ansiedad o depresi\u00f3n.<\/p>\n<p>Por eso el apoyo psicol\u00f3gico especializado forma parte de nuestra atenci\u00f3n en IMFER. No como un complemento opcional, sino como un componente esencial del tratamiento.<\/p>\n<h2>La edad como factor determinante<\/h2>\n<p>La edad es el predictor m\u00e1s potente de la fertilidad femenina. A partir de los 30 a\u00f1os, las probabilidades de concepci\u00f3n natural por ciclo empiezan a disminuir. A los 35, ese descenso se acelera. A los 40, la tasa de embarazo por ciclo con \u00f3vulos propios puede ser menor del 10% en tratamientos de FIV.<\/p>\n<p>Consulta nuestra <a href=\"\/guia-infertilidad-pareja\/\">gu\u00eda sobre infertilidad en pareja<\/a> para m\u00e1s informaci\u00f3n sobre diagn\u00f3stico y tratamiento.<\/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\/se-ofrece-nino-rubio-con-ojos-azules\/\">\u00bfPuedo elegir las caracter\u00edsticas del donante de \u00f3vulos o\u2026<\/a> y <a href=\"https:\/\/www.imferblog.com\/laparoscopia-por-endometriosis-brinda-esperanza-en-fertilidad\/\">Laparoscopia para endometriosis: beneficios para la fertilidad<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La fertilidad humana es el resultado de la interacci\u00f3n de m\u00faltiples factores. Algunos son gen\u00e9ticos y estructurales, dif\u00edciles de modificar. Otros dependen del estilo de vida y los h\u00e1bitos cotidianos, y sobre ellos s\u00ed podemos actuar. Conocer cu\u00e1les son y c\u00f3mo influyen es el primer paso para optimizar las posibilidades &#8230;<\/p>\n","protected":false},"author":1,"featured_media":7235,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1275],"tags":[7,1006],"class_list":["post-7234","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fertilidad","tag-fertilidad","tag-salud-reproductiva","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>Factores que afectan a la fertilidad | IMFER Blog<\/title>\n<meta name=\"description\" content=\"Peso, tabaco, alcohol, estr\u00e9s y edad afectan a la fertilidad. Gu\u00eda completa sobre los factores modificables y los m\u00e9dicos. 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