{"id":5653,"date":"2013-10-11T11:52:56","date_gmt":"2013-10-11T09:52:56","guid":{"rendered":"https:\/\/www.imferblog.com\/?p=5653"},"modified":"2026-05-10T21:51:24","modified_gmt":"2026-05-10T19:51:24","slug":"monitores-prenatales","status":"publish","type":"post","link":"https:\/\/www.imferblog.com\/?p=5653","title":{"rendered":"Monitorizaci\u00f3n fetal: qu\u00e9 es el cardiotoc\u00f3grafo y para qu\u00e9 sirve | IMFER Blog"},"content":{"rendered":"<p>La monitorizaci\u00f3n fetal es una prueba que eval\u00faa el bienestar del beb\u00e9 durante el final del embarazo y durante el parto. A trav\u00e9s de sensores colocados sobre el abdomen de la madre, registra simult\u00e1neamente los latidos del coraz\u00f3n fetal y las contracciones uterinas. Es una herramienta diagn\u00f3stica esencial que permite detectar precozmente situaciones de compromiso fetal.<\/p>\n<h2>\u00bfC\u00f3mo se realiza la monitorizaci\u00f3n?<\/h2>\n<p>Existen dos modalidades:<\/p>\n<ul>\n<li><strong>Monitorizaci\u00f3n externa<\/strong>: dos sensores (uno de ultrasonidos para los latidos fetales y uno de presi\u00f3n para las contracciones) se colocan sobre el abdomen mediante bandas el\u00e1sticas. Es no invasiva y puede realizarse desde la semana 40 para controlar el estado del beb\u00e9 en embarazos que prolongan el t\u00e9rmino.<\/li>\n<li><strong>Monitorizaci\u00f3n interna<\/strong>: se coloca un electrodo directamente en el cuero cabelludo del feto a trav\u00e9s del cuello uterino dilatado, y un cat\u00e9ter intrauterino mide la presi\u00f3n de las contracciones. Ofrece datos m\u00e1s precisos que la monitorizaci\u00f3n externa, especialmente cuando la se\u00f1al externa es deficiente.<\/li>\n<\/ul>\n<h2>\u00bfCu\u00e1ndo se utiliza?<\/h2>\n<ul>\n<li>A partir de la semana 40-41 de embarazo, para confirmar el bienestar fetal cuando el parto se retrasa respecto al t\u00e9rmino.<\/li>\n<li>Durante el parto, de forma continua o intermitente seg\u00fan el protocolo del centro y el riesgo de la gestaci\u00f3n.<\/li>\n<li>Cuando se aplica analgesia epidural, siempre en modalidad continua.<\/li>\n<li>En partos de alto riesgo (prematuridad, diabetes gestacional, restricci\u00f3n del crecimiento intrauterino) desde el inicio del proceso.<\/li>\n<\/ul>\n<h2>Interpretando el trazado<\/h2>\n<p>El cardiotoc\u00f3grafo genera un gr\u00e1fico (tocograma) que muestra la l\u00ednea de base de la frecuencia card\u00edaca fetal, su variabilidad, las aceleraciones (subidas moment\u00e1neas del latido, signo de bienestar) y las deceleraciones (bajadas, que pueden indicar compresi\u00f3n del cord\u00f3n o hipoxia). La interpretaci\u00f3n de estos trazados requiere formaci\u00f3n espec\u00edfica: es la matrona quien los vigila durante el parto y quien alerta al ginec\u00f3logo ante cualquier patr\u00f3n que requiera evaluaci\u00f3n.<\/p>\n<p>Cuando aparece un trazado sospechoso, el obstetra puede solicitar una microtoma: una peque\u00f1a muestra de sangre del cuero cabelludo fetal que permite medir el pH y la lactacidemia, indicadores directos del estado \u00e1cido-base del beb\u00e9. Este an\u00e1lisis determina si es necesario finalizar el parto de urgencia o si puede continuar el proceso.<\/p>\n<h2>Monitorizaci\u00f3n continua frente a intermitente<\/h2>\n<p>En embarazos de bajo riesgo, la monitorizaci\u00f3n intermitente (auscultar los latidos fetales con regularidad durante las contracciones) tiene resultados equivalentes a la monitorizaci\u00f3n continua y permite a la madre moverse con m\u00e1s libertad durante la dilataci\u00f3n. La decisi\u00f3n sobre el tipo de monitorizaci\u00f3n debe tomarse en funci\u00f3n del riesgo individual de cada gestaci\u00f3n.<\/p>\n<p>Te recomendamos consultar nuestra <a href=\"https:\/\/www.imferblog.com\/guia-infertilidad-pareja\/\">guia sobre reproduccion asistida<\/a> para informacion mas detallada.<\/p>\n<p class=\"imfer-article-cta-inline\"><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>La monitorizaci\u00f3n fetal es una prueba que eval\u00faa el bienestar del beb\u00e9 durante el final del embarazo y durante el parto. A trav\u00e9s de sensores colocados sobre el abdomen de la madre, registra simult\u00e1neamente los latidos del coraz\u00f3n fetal y las contracciones uterinas. Es una herramienta diagn\u00f3stica esencial que permite &#8230;<\/p>\n","protected":false},"author":1,"featured_media":5654,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[1289,7,1286],"class_list":["post-5653","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualidad","tag-actualidad","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>Monitorizaci\u00f3n fetal: qu\u00e9 es el cardiotoc\u00f3grafo y | IMFER Blog<\/title>\n<meta name=\"description\" content=\"Qu\u00e9 es la monitorizaci\u00f3n fetal, c\u00f3mo funciona el cardiotoc\u00f3grafo y cu\u00e1ndo se utiliza durante el embarazo y el parto. 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