{"id":5958,"date":"2014-03-06T11:00:57","date_gmt":"2014-03-06T10:00:57","guid":{"rendered":"https:\/\/www.imferblog.com\/?p=5958"},"modified":"2026-05-10T21:48:55","modified_gmt":"2026-05-10T19:48:55","slug":"para-que-sirve-el-acido-folico","status":"publish","type":"post","link":"https:\/\/www.imferblog.com\/?p=5958","title":{"rendered":"\u00c1cido f\u00f3lico en el embarazo: cu\u00e1ndo y cu\u00e1nto tomar | IMFER Blog"},"content":{"rendered":"<p>El \u00e1cido f\u00f3lico es, probablemente, el suplemento nutricional con mayor impacto demostrado en la prevenci\u00f3n de malformaciones cong\u00e9nitas. En IMFER lo recomendamos de forma sistem\u00e1tica a todas las mujeres que planean quedarse embarazadas, y su importancia va mucho m\u00e1s all\u00e1 de lo que muchas personas conocen.<\/p>\n<h2>Qu\u00e9 es el \u00e1cido f\u00f3lico y por qu\u00e9 es tan importante<\/h2>\n<p>El \u00e1cido f\u00f3lico es la forma sint\u00e9tica del folato, una vitamina del grupo B (B9) que el organismo necesita para la s\u00edntesis de ADN y la divisi\u00f3n celular. Durante las primeras semanas del embarazo, cuando el tubo neural del embri\u00f3n se est\u00e1 cerrando, la demanda de folato se dispara. Si los niveles maternos son insuficientes en ese per\u00edodo cr\u00edtico, el tubo neural puede no cerrarse correctamente, dando lugar a malformaciones graves como la espina b\u00edfida o la anencefalia.<\/p>\n<p>El problema es que el tubo neural se cierra entre los d\u00edas 22 y 28 de vida embrionaria, es decir, cuando muchas mujeres ni siquiera saben que est\u00e1n embarazadas. Por eso la suplementaci\u00f3n debe iniciarse antes de la concepci\u00f3n, no despu\u00e9s del test positivo.<\/p>\n<h2>Cu\u00e1ndo y cu\u00e1nto tomar<\/h2>\n<p>La recomendaci\u00f3n est\u00e1ndar de las sociedades cient\u00edficas, incluida la Sociedad Espa\u00f1ola de Ginecolog\u00eda y Obstetricia (SEGO), es iniciar la suplementaci\u00f3n con \u00e1cido f\u00f3lico al menos tres meses antes de intentar quedar embarazada, con una dosis diaria de 0,4 mg (400 microgramos) para mujeres sin factores de riesgo adicionales.<\/p>\n<p>Esta dosis se eleva a 4 mg diarios en mujeres con antecedentes de un hijo previo con defecto del tubo neural, en pacientes con epilepsia tratadas con ciertos anticonvulsivantes, o en mujeres con diabetes mal controlada. En estos casos, el suplemento de alta dosis solo se administra bajo prescripci\u00f3n m\u00e9dica.<\/p>\n<p>La suplementaci\u00f3n debe mantenerse, como m\u00ednimo, hasta la semana 12 de gestaci\u00f3n, aunque la mayor\u00eda de los obstetras recomiendan continuarla durante todo el embarazo.<\/p>\n<h2>Alimentos ricos en folato<\/h2>\n<p>Aunque el suplemento es imprescindible porque garantiza una dosis exacta y biodisponible, una dieta rica en folato natural complementa la suplementaci\u00f3n:<\/p>\n<ul>\n<li>Verduras de hoja verde: espinacas, acelgas, lechuga, br\u00f3coli.<\/li>\n<li>Legumbres: lentejas, garbanzos, jud\u00edas.<\/li>\n<li>Frutos secos: especialmente almendras y nueces.<\/li>\n<li>H\u00edgado y otras v\u00edsceras (con moderaci\u00f3n durante el embarazo por su alto contenido en vitamina A).<\/li>\n<li>Cereales y panes enriquecidos con \u00e1cido f\u00f3lico.<\/li>\n<\/ul>\n<p>El folato es sensible al calor: la cocci\u00f3n prolongada destruye hasta el 70% del contenido en los vegetales. Consumirlos al vapor o crudos (en ensaladas) preserva mejor sus propiedades.<\/p>\n<h2>\u00c1cido f\u00f3lico en tratamientos de reproducci\u00f3n asistida<\/h2>\n<p>En IMFER prescribimos \u00e1cido f\u00f3lico a todas nuestras pacientes desde el inicio del protocolo de estimulaci\u00f3n ov\u00e1rica, independientemente de la t\u00e9cnica utilizada. Si est\u00e1s iniciando un tratamiento de <a href=\"\/guia-completa-fecundacion-in-vitro\/\">fecundaci\u00f3n in vitro<\/a> o de <a href=\"\/guia-inseminacion-artificial\/\">inseminaci\u00f3n artificial<\/a>, el \u00e1cido f\u00f3lico es uno de los pilares b\u00e1sicos de la preparaci\u00f3n.<\/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\/la-consanguinidad-duplicaba-el-riesgo-de-anomalias-congenitas\/\">Consanguinidad y anomal\u00edas cong\u00e9nitas: riesgos y opciones\u2026<\/a> y <a href=\"https:\/\/www.imferblog.com\/la-consanguinidad-duplicaba-el-riesgo-de-anomalias-congenitas\/\">Consanguinidad y anomal\u00edas cong\u00e9nitas: riesgos y opciones\u2026<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>El \u00e1cido f\u00f3lico es, probablemente, el suplemento nutricional con mayor impacto demostrado en la prevenci\u00f3n de malformaciones cong\u00e9nitas. En IMFER lo recomendamos de forma sistem\u00e1tica a todas las mujeres que planean quedarse embarazadas, y su importancia va mucho m\u00e1s all\u00e1 de lo que muchas personas conocen. Qu\u00e9 es el \u00e1cido &#8230;<\/p>\n","protected":false},"author":1,"featured_media":5959,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1289,24,7,1286],"class_list":["post-5958","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualidad","tag-actualidad","tag-embarazo","tag-fertilidad","tag-reproduccion-asistida","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>\u00c1cido f\u00f3lico en el embarazo | IMFER Blog<\/title>\n<meta name=\"description\" content=\"El \u00e1cido f\u00f3lico previene defectos del tubo neural como la espina b\u00edfida. Descubre cu\u00e1ndo empezar a tomarlo, en qu\u00e9 dosis y qu\u00e9 alimentos lo contienen.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.imferblog.com\/?p=5958\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00c1cido f\u00f3lico en el embarazo: cu\u00e1ndo y cu\u00e1nto tomar | IMFER Blog\" \/>\n<meta property=\"og:description\" content=\"El \u00e1cido f\u00f3lico previene defectos del tubo neural como la espina b\u00edfida. 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