{"id":6971,"date":"2016-02-09T12:24:15","date_gmt":"2016-02-09T11:24:15","guid":{"rendered":"https:\/\/www.imferblog.com\/?p=6971"},"modified":"2026-05-10T21:49:36","modified_gmt":"2026-05-10T19:49:36","slug":"la-posibilidad-de-tener-gemelos-aumenta-con-los-tratamientos-de-fertilidad","status":"publish","type":"post","link":"https:\/\/www.imferblog.com\/?p=6971","title":{"rendered":"Embarazo gemelar y reproducci\u00f3n asistida: riesgos y tendencias | IMFER Blog"},"content":{"rendered":"<p>Una de las transformaciones m\u00e1s llamativas en la epidemiolog\u00eda del parto de las \u00faltimas d\u00e9cadas ha sido el aumento de los embarazos gemelares. En muchos pa\u00edses occidentales, la tasa de partos m\u00faltiples se ha m\u00e1s que duplicado desde los a\u00f1os ochenta, y los tratamientos de reproducci\u00f3n asistida han sido uno de los principales factores que explican ese cambio.<\/p>\n<h2>Por qu\u00e9 la reproducci\u00f3n asistida aumenta el riesgo de gemelaridad<\/h2>\n<p>La fecundaci\u00f3n in vitro implica, en muchos casos, la transferencia de m\u00e1s de un embri\u00f3n al \u00fatero. Cuando ambos embriones se implantan, el resultado es un embarazo gemelar bicori\u00f3nico. La estimulaci\u00f3n ov\u00e1rica utilizada en la inseminaci\u00f3n artificial tambi\u00e9n puede dar lugar a la maduraci\u00f3n de varios fol\u00edculos simult\u00e1neamente, aumentando la posibilidad de una ovulaci\u00f3n m\u00faltiple.<\/p>\n<p>Los datos de Utah (EEUU) ilustran bien esta tendencia. En esa regi\u00f3n, la tasa de partos gemelares pas\u00f3 de 1 de cada 46 nacimientos en 1989 a aproximadamente 1 de cada 28 en a\u00f1os recientes, un cambio que coincide con el aumento del uso de t\u00e9cnicas de reproducci\u00f3n asistida.<\/p>\n<h2>El embarazo m\u00faltiple: un riesgo que hay que gestionar<\/h2>\n<p>Aunque la sociedad tiende a ver los gemelos como una bendici\u00f3n, desde el punto de vista m\u00e9dico el embarazo m\u00faltiple supone un riesgo significativamente mayor para la madre y para los beb\u00e9s. La prematuridad, el bajo peso al nacer, la preeclampsia y otras complicaciones son mucho m\u00e1s frecuentes en embarazos gemelares que en los \u00fanicos.<\/p>\n<p>Por este motivo, la tendencia actual en reproducci\u00f3n asistida es transferir un \u00fanico embri\u00f3n de buena calidad (eSET, elective Single Embryo Transfer) siempre que sea posible. Gracias a la mejora de las t\u00e9cnicas de cultivo embrionario y la vitrificaci\u00f3n, los embriones sobrantes pueden conservarse para ciclos posteriores sin perder viabilidad.<\/p>\n<h2>Nuestra pr\u00e1ctica en IMFER<\/h2>\n<p>En IMFER seguimos las recomendaciones de ESHRE y de la Sociedad Espa\u00f1ola de Fertilidad sobre transferencia electiva de un solo embri\u00f3n. En pacientes j\u00f3venes con embriones de buena calidad, la tasa de embarazo acumulada con transferencia de un embri\u00f3n en fresco m\u00e1s uno en descongelado es comparable a la de transferir dos embriones en fresco, con una fracci\u00f3n del riesgo de gemelaridad.<\/p>\n<p>Para m\u00e1s informaci\u00f3n sobre el proceso de FIV en IMFER, consulta nuestra <a href=\"\/guia-completa-fecundacion-in-vitro\/\">gu\u00eda completa sobre FIV<\/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\/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>Una de las transformaciones m\u00e1s llamativas en la epidemiolog\u00eda del parto de las \u00faltimas d\u00e9cadas ha sido el aumento de los embarazos gemelares. En muchos pa\u00edses occidentales, la tasa de partos m\u00faltiples se ha m\u00e1s que duplicado desde los a\u00f1os ochenta, y los tratamientos de reproducci\u00f3n asistida han sido uno &#8230;<\/p>\n","protected":false},"author":1,"featured_media":6972,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1275],"tags":[24,7,1006],"class_list":["post-6971","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fertilidad","tag-embarazo","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>Embarazo gemelar y reproducci\u00f3n asistida | IMFER Blog<\/title>\n<meta name=\"description\" content=\"Los tratamientos de fertilidad aumentan el riesgo de embarazo gemelar. 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