{"id":84066,"date":"2019-04-27T01:24:34","date_gmt":"2019-04-27T07:24:34","guid":{"rendered":"https:\/\/americanpregnancy.org\/uncategorized\/folic-acid\/"},"modified":"2026-06-05T08:41:13","modified_gmt":"2026-06-05T14:41:13","slug":"folic-acid","status":"publish","type":"post","link":"https:\/\/americanpregnancy.org\/es\/pregnancy\/folic-acid\/","title":{"rendered":"\u00c1cido f\u00f3lico en el embarazo"},"content":{"rendered":"<p><strong>El \u00e1cido f\u00f3lico y el folato<\/strong> son formas de una vitamina B hidrosoluble que ayuda al cuerpo a producir c\u00e9lulas nuevas y sanas. Las mujeres embarazadas o que podr\u00edan quedarse embarazadas toman \u00e1cido f\u00f3lico para prevenir abortos espont\u00e1neos y defectos de nacimiento. El \u00e1cido f\u00f3lico se utiliza para producir la sangre adicional que su cuerpo necesita durante el embarazo. Seg\u00fan el Grupo de Trabajo de Servicios Preventivos de los EE. UU., todas las mujeres en edad f\u00e9rtil deben consumir entre 600 y 800 microgramos (0,6 &#8211; 0,8 miligramos) de \u00e1cido f\u00f3lico al d\u00eda.   <\/p>\n<h2>\u00bfCu\u00e1ndo debo empezar a tomar \u00e1cido f\u00f3lico?<\/h2>\n<p>Debe empezar a tomar \u00e1cido f\u00f3lico antes de <a title=\"Quedar embarazada\" href=\"https:\/\/americanpregnancy.org\/es\/quedar-embarazada\/\">quedarse embarazada<\/a>, incluso si no est\u00e1 intentando concebir. Los defectos del tubo neural suelen desarrollarse en los primeros 28 d\u00edas del embarazo, a menudo antes de que la mujer sepa siquiera que est\u00e1 embarazada. <\/p>\n<p>Si descubre que est\u00e1 embarazada y no ha estado tomando \u00e1cido f\u00f3lico, debe empezar ahora para ayudar a prevenir cualquier defecto neural en los tres primeros meses de embarazo.<\/p>\n<div>\n<h3>\u00bfCu\u00e1l es la diferencia entre \u00e1cido f\u00f3lico y folato?<\/h3>\n<div>La gente suele utilizar ambos t\u00e9rminos indistintamente, ya que ambos son formas de vitamina B9, pero en realidad existe una diferencia importante. El \u00e1cido f\u00f3lico es la versi\u00f3n sint\u00e9tica que se utiliza habitualmente en alimentos procesados y suplementos. El folato se encuentra en alimentos integrales como las verduras de hoja verde, los huevos y los c\u00edtricos. Lamentablemente, un gran porcentaje de mujeres (hasta el 60 %) presenta un defecto en su gen <a href=\"https:\/\/americanpregnancy.org\/infertility\/folate-vs-folic-acid-what-you-need-to-know\/\" target=\"_blank\" rel=\"noopener noreferrer\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/americanpregnancy.org\/infertility\/folate-vs-folic-acid-what-you-need-to-know\/&#038;source=gmail&#038;ust=1571422876478000&#038;usg=AFQjCNEA0viAO6vdPbTY5aq0ZS1xPlQJow\">MTHFR<\/a> que no les permite convertir adecuadamente el \u00e1cido f\u00f3lico sint\u00e9tico en metilfolato activo. Por ello, es posible que las mujeres que toman \u00e1cido f\u00f3lico no absorban sus vitaminas B como se espera. Por esta raz\u00f3n, es preferible obtener el folato de fuentes de alimentos integrales o de suplementos que contengan la forma natural de folato activo en lugar de \u00e1cido f\u00f3lico sint\u00e9tico siempre que sea posible.     <\/div>\n<h3>\u00bfCu\u00e1les son los riesgos de no tomar \u00e1cido f\u00f3lico?<\/h3>\n<\/div>\n<p>La ausencia de este importante nutriente aumenta la posibilidad de que se produzca un defecto del tubo neural (un defecto en el desarrollo de la m\u00e9dula espinal).<\/p>\n<ul>\n<li>La <a href=\"https:\/\/americanpregnancy.org\/es\/pregnancy\/spina-bifida\/\">espina b\u00edfida<\/a> es una afecci\u00f3n en la que la m\u00e9dula espinal queda expuesta. Si las v\u00e9rtebras (huesos de la columna vertebral) que rodean la m\u00e9dula espinal no se cierran correctamente durante los primeros 28 d\u00edas tras la fecundaci\u00f3n, la m\u00e9dula o el l\u00edquido cefalorraqu\u00eddeo sobresalen, normalmente en la parte baja de la espalda. <\/li>\n<li>La anencefalia es el subdesarrollo grave del cerebro.<\/li>\n<\/ul>\n<h3>\u00bfQu\u00e9 alimentos contienen \u00e1cido f\u00f3lico?<\/h3>\n<p>Aproximadamente la mitad de todos los embarazos son <a title=\"Embarazo no planificado\" href=\"https:\/\/americanpregnancy.org\/es\/unplanned-pregnancy\/\">no planificados<\/a>, por lo que la Administraci\u00f3n de Alimentos y Medicamentos de los EE. UU. ha tomado medidas para enriquecer ciertos alimentos de modo que todas las mujeres en edad f\u00e9rtil reciban una dosis diaria de \u00e1cido f\u00f3lico.<\/p>\n<p><strong>Los siguientes alimentos pueden ayudarle a obtener la cantidad recomendada:<\/strong><\/p>\n<ul>\n<li>Verduras de hoja verde, como las espinacas<\/li>\n<li>C\u00edtricos, como el zumo de naranja<\/li>\n<li>Legumbres, guisantes y frutos secos<\/li>\n<li>Pan enriquecido, cereales y otros productos derivados del grano<\/li>\n<li>Arroz<\/li>\n<li>Pasta<\/li>\n<\/ul>\n<p>Su profesional sanitario podr\u00eda sugerirle un complejo vitam\u00ednico diario con \u00e1cido f\u00f3lico, ya que los alimentos enumerados anteriormente podr\u00edan no contener suficiente \u00e1cido f\u00f3lico para satisfacer el requerimiento diario.<\/p>\n<h3>\u00bfC\u00f3mo s\u00e9 si tengo riesgo de tener un beb\u00e9 con defectos neurales y c\u00f3mo puedo evitar que esto ocurra?<\/h3>\n<p>Las mujeres con mayor riesgo son aquellas que han tenido un embarazo anterior con un defecto neural. Las mujeres que no siguen una dieta equilibrada que incluya \u00e1cido f\u00f3lico tambi\u00e9n corren riesgo.<br \/>\nLa mejor forma de prevenir los defectos neurales es tomar los 600 &#8211; 800 microgramos (0,6 &#8211; 0,8 miligramos) recomendados de \u00e1cido f\u00f3lico al d\u00eda durante un mes antes de la concepci\u00f3n y durante los tres primeros meses de embarazo. La cantidad diaria no debe superar los 1.000 microgramos (1,0 miligramos).  <\/p>\n<p>Los multivitam\u00ednicos que incluyen \u00e1cido f\u00f3lico solo deben utilizarse como suplemento bajo la supervisi\u00f3n de su profesional sanitario.<\/p>\n<h3>\u00bfC\u00f3mo se diagnostican los defectos del tubo neural?<\/h3>\n<p>Los defectos del tubo neural se detectan mediante una <a href=\"https:\/\/americanpregnancy.org\/es\/prenatal-testing\/maternal-serum-alpha-fetoprotein-screening\/\">prueba de alfafetoprote\u00edna (AFP)<\/a>. La AFP es un <a title=\"An\u00e1lisis de sangre\" href=\"https:\/\/americanpregnancy.org\/prenatal-testing\/blood-test\/\">an\u00e1lisis de sangre<\/a> que se realiza entre las semanas 16 y 18 de gestaci\u00f3n. La prueba mide la alfafetoprote\u00edna, una sustancia producida por el feto y secretada al l\u00edquido amni\u00f3tico.<br \/>\nLa AFP tambi\u00e9n se encuentra en la sangre de la madre. El nivel de AFP en la sangre materna alcanza su punto m\u00e1ximo alrededor de las semanas 30-32. Cantidades anormalmente altas de AFP pueden indicar que el beb\u00e9 tiene un defecto del tubo neural.    <\/p>\n<h3>\u00bfCu\u00e1les son otros motivos para una AFP elevada?<\/h3>\n<p>Una AFP elevada podr\u00eda significar que la madre espera gemelos o que hay un problema con la placenta. Las mujeres con <a title=\"Diabetes durante el embarazo\" href=\"\nhttps:\/\/americanpregnancy.org\/diabetes-during-pregnancy\">diabetes<\/a> o enfermedades hep\u00e1ticas tambi\u00e9n pueden presentar un nivel elevado de AFP. <\/p>\n<p>Sin embargo, una AFP elevada tambi\u00e9n podr\u00eda significar la presencia de <a title=\"Defectos de nacimiento\" href=\"https:\/\/americanpregnancy.org\/birth-defects\/\">defectos de nacimiento<\/a> como enfermedad renal grave, enfermedad hep\u00e1tica, obstrucci\u00f3n esof\u00e1gica o intestinal, <a title=\"S\u00edndrome de Down: Trisom\u00eda 21\" href=\"https:\/\/americanpregnancy.org\/es\/pregnancy\/down-syndrome\/\">s\u00edndrome de Down<\/a>, obstrucci\u00f3n urinaria u osteog\u00e9nesis imperfecta (fragilidad de los huesos del beb\u00e9).<\/p>\n<h3>Si tengo una AFP elevada, \u00bfqu\u00e9 pruebas adicionales hay disponibles?<\/h3>\n<ul>\n<li>Una segunda prueba de AFP<\/li>\n<li><a title=\"Ecograf\u00eda: Sonograma\" href=\"https:\/\/americanpregnancy.org\/prenatal-testing\/ultrasound\/\">Ecograf\u00eda<\/a><\/li>\n<li><a title=\"Amniocentesis\" href=\"https:\/\/americanpregnancy.org\/es\/pregnancy\/amniocentesis\/\">Amniocentesis<\/a><\/li>\n<\/ul>\n<h4 style=\"text-align: left;\"><!--more-->\u00bfDesea saber m\u00e1s?<\/h4>\n<ul>\n<li><a href=\"https:\/\/americanpregnancy.org\/pregnancy-health\/pregnancy-nutrition\/\"><strong>Nutrici\u00f3n durante el embarazo<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/americanpregnancy.org\/pregnancy-health\/natural-sources-of-vitamin-b6-during-pregnancy\/\"><strong>Fuentes naturales de vitamina B6 durante el embarazo<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/americanpregnancy.org\/es\/pregnancy\/funciones-de-la-vitamina-b-en-el-embarazo\/\"><strong>El papel de la vitamina B en el embarazo<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/americanpregnancy.org\/es\/pregnancy\/vitamin-d-and-pregnancy\/\"><strong>Vitamina D y embarazo<\/strong><\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>El \u00e1cido f\u00f3lico y el folato son formas de una vitamina B hidrosoluble que ayuda al cuerpo a producir c\u00e9lulas nuevas y sanas. Las mujeres embarazadas o que podr\u00edan quedarse embarazadas toman \u00e1cido f\u00f3lico para prevenir abortos espont\u00e1neos y defectos de nacimiento. El \u00e1cido f\u00f3lico se utiliza para producir la sangre adicional que su cuerpo [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":84067,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7629,8599,8629],"tags":[],"faq-categories":[8401],"class_list":["post-84066","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pregnancy","category-pregnancy-health-and-nutrition-es","category-nutricion","faq-categories-no-faq"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.6 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>\u00c1cido f\u00f3lico | la American Pregnancy Association<\/title>\n<meta name=\"description\" content=\"El \u00e1cido f\u00f3lico ayuda a prevenir defectos del tubo neural. Se encuentra de forma natural y a trav\u00e9s de vitaminas prenatales. 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