{"id":82979,"date":"2012-04-24T19:53:43","date_gmt":"2012-04-25T01:53:43","guid":{"rendered":"https:\/\/americanpregnancy.org\/uncategorized\/intracytoplasmic-sperm-injection\/"},"modified":"2026-06-05T11:24:10","modified_gmt":"2026-06-05T17:24:10","slug":"intracytoplasmic-sperm-injection","status":"publish","type":"post","link":"https:\/\/americanpregnancy.org\/es\/getting-pregnant\/intracytoplasmic-sperm-injection\/","title":{"rendered":"Inyecci\u00f3n intracitoplasm\u00e1tica de espermatozoides: ICSI"},"content":{"rendered":"<p>La <strong>inyecci\u00f3n intracitoplasm\u00e1tica de espermatozoides (ICSI)<\/strong> consiste en la inyecci\u00f3n directa de espermatozoides en \u00f3vulos obtenidos mediante fecundaci\u00f3n in vitro (FIV).<\/p>\n<h2>\u00bfC\u00f3mo se realiza la ICSI?<\/h2>\n<p><strong>B\u00e1sicamente, la inyecci\u00f3n intracitoplasm\u00e1tica de espermatozoides consta de cinco pasos sencillos que incluyen los siguientes:<\/strong><\/p>\n<ol>\n<li> El \u00f3vulo maduro se sujeta con una pipeta especializada.<\/li>\n<li> Se utiliza una aguja muy delicada, afilada y hueca para inmovilizar y recoger un solo espermatozoide.<\/li>\n<li> A continuaci\u00f3n, la aguja se inserta cuidadosamente a trav\u00e9s de la membrana del \u00f3vulo y en el citoplasma del \u00f3vulo.<\/li>\n<li> El espermatozoide se inyecta en el citoplasma y la aguja se retira con cuidado.<\/li>\n<li> Los \u00f3vulos se examinan al d\u00eda siguiente para comprobar si hay evidencia de fecundaci\u00f3n normal.<\/li>\n<\/ol>\n<p>Una vez completados los pasos de la ICSI y la fecundaci\u00f3n es exitosa, se utiliza el procedimiento de <a title=\"Transferencia de embriones\" href=\"https:\/\/americanpregnancy.org\/es\/getting-pregnant\/embryo-transfer\/\">transferencia de embriones<\/a> para colocar f\u00edsicamente el embri\u00f3n en el \u00fatero de la mujer. Despu\u00e9s, se trata de estar atenta a los primeros <a title=\"S\u00edntomas del embarazo \u2014 Primeros signos del embarazo\" href=\"https:\/\/americanpregnancy.org\/getting-pregnant\/early-pregnancy-symptoms\/\">s\u00edntomas de embarazo<\/a>. El especialista en fertilidad puede utilizar un <a title=\"An\u00e1lisis de sangre\" href=\"https:\/\/americanpregnancy.org\/prenatal-testing\/blood-test\/\">an\u00e1lisis de sangre<\/a> o una <a title=\"Ecograf\u00eda: Sonograma\" href=\"https:\/\/americanpregnancy.org\/prenatal-testing\/ultrasound\/\">ecograf\u00eda<\/a> para determinar si se ha producido la implantaci\u00f3n y el embarazo.  <\/p>\n<h3>\u00bfExisten situaciones espec\u00edficas en las que se pueda recomendar la ICSI?<\/h3>\n<p>La ICSI puede recomendarse cuando existe motivo para sospechar que lograr la fecundaci\u00f3n puede resultar dif\u00edcil. La ICSI se utiliza con mayor frecuencia en parejas que enfrentan factores de <a title=\"Infertilidad masculina\" href=\"https:\/\/americanpregnancy.org\/es\/getting-pregnant\/male-infertility\/\">infertilidad masculina<\/a>. Los factores de infertilidad masculina pueden incluir cualquiera de los siguientes: recuento bajo de espermatozoides, movilidad o movimiento deficiente de los espermatozoides, calidad deficiente de los espermatozoides, espermatozoides que carecen de la capacidad de penetrar un \u00f3vulo o azoospermia. La azoospermia es una afecci\u00f3n en la que no hay espermatozoides en la eyaculaci\u00f3n del hombre. Existen dos tipos de azoospermia: obstructiva y no obstructiva.     <strong>La azoospermia obstructiva puede deberse a cualquiera de las siguientes causas:<\/strong><\/p>\n<ul>\n<li><a title=\"Embarazo despu\u00e9s de una vasectom\u00eda\" href=\"https:\/\/americanpregnancy.org\/es\/unplanned-pregnancy\/pregnancy-after-vasectomy\/\">Vasectom\u00eda<\/a> previa<\/li>\n<li>Ausencia cong\u00e9nita del conducto deferente<\/li>\n<li>Cicatrizaci\u00f3n por infecciones previas<\/li>\n<\/ul>\n<p>La azoospermia no obstructiva se produce cuando un test\u00edculo defectuoso no est\u00e1 produciendo espermatozoides. En el caso de la azoospermia, la probabilidad de obtener espermatozoides utilizables es baja, y puede considerarse la posibilidad de utilizar esperma de donante. <\/p>\n<h3>\u00bfC\u00f3mo se recuperan los espermatozoides?<\/h3>\n<p>En el caso de los hombres que tienen un recuento bajo de espermatozoides o espermatozoides con baja movilidad, los espermatozoides pueden recogerse mediante eyaculaci\u00f3n normal. Si el hombre se ha sometido a una vasectom\u00eda, la reversi\u00f3n microquir\u00fargica de la vasectom\u00eda es la opci\u00f3n m\u00e1s rentable para restaurar la fertilidad. La aspiraci\u00f3n con aguja o la recuperaci\u00f3n microquir\u00fargica de espermatozoides son buenas alternativas cuando ha fracasado una reversi\u00f3n microquir\u00fargica de vasectom\u00eda competente, o cuando el hombre rechaza la cirug\u00eda. La aspiraci\u00f3n con aguja permite a los m\u00e9dicos obtener de forma f\u00e1cil y r\u00e1pida un n\u00famero adecuado de espermatozoides para el procedimiento de ICSI. Se utiliza una aguja diminuta para extraer espermatozoides directamente del test\u00edculo. La aspiraci\u00f3n con aguja es un procedimiento sencillo que se realiza bajo sedaci\u00f3n con molestias m\u00ednimas; sin embargo, existe la posibilidad de dolor e hinchaz\u00f3n posteriormente. Los espermatozoides obtenidos del test\u00edculo solo son apropiados para procedimientos de ICSI cuando los espermatozoides testiculares no son capaces de penetrar un \u00f3vulo por s\u00ed mismos.      <\/p>\n<h2>\u00bfExisten problemas de salud?<\/h2>\n<p>Ha habido estudios que indican que los beb\u00e9s en desarrollo procedentes de embarazos logrados mediante inseminaci\u00f3n artificial, y particularmente ICSI, pueden enfrentar un mayor riesgo de algunos <a title=\"Defectos de nacimiento\" href=\"https:\/\/americanpregnancy.org\/birth-defects\/\">defectos cong\u00e9nitos<\/a>, como defectos de impronta. La impronta se refiere al fen\u00f3meno en el que ciertos genes funcionan de manera diferente dependiendo de si involucran un cromosoma particular transmitido por el padre o por la madre. Los investigadores en reproducci\u00f3n est\u00e1n preocupados de que la manipulaci\u00f3n de gametos o cigotos pueda afectar el proceso de impronta o la liberaci\u00f3n posterior. Otros investigadores creen que la incidencia de estos defectos cong\u00e9nitos es similar a la de los embarazos naturales y, por lo tanto, no deber\u00eda ser un impedimento para utilizarlos.<br \/>\nLos riesgos o complicaciones potenciales de realizar la ICSI es algo que deber\u00eda discutir ampliamente con su especialista en reproducci\u00f3n. Algunas parejas desean explorar esfuerzos m\u00e1s tradicionales o de venta libre antes de explorar procedimientos de infertilidad. <strong>Si est\u00e1 intentando quedarse embarazada y busca recursos para apoyar sus esfuerzos, le invitamos a consultar la gu\u00eda de productos y recursos de fertilidad proporcionada por nuestro patrocinador corporativo. <a href=\"https:\/\/americanpregnancy.org\/fertility-products-resource-guide\/\" rel=\"nofollow\">Consulte la gu\u00eda de recursos aqu\u00ed<\/a>.<\/strong>     <\/p>\n<p class=\"citation-date\"><!--more--><strong>\u00bfDesea saber m\u00e1s?<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/americanpregnancy.org\/getting-pregnant\/infertility\/\"><strong>Infertilidad 101: Lo que necesita saber primero<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/americanpregnancy.org\/es\/getting-pregnant\/female-infertility\/\"><strong>Infertilidad femenina<\/strong><\/a><\/li>\n<li><a href=\"https:\/\/americanpregnancy.org\/infertility\/infertility-medications\/\"><strong>Medicamentos para la infertilidad<\/strong><\/a><\/li>\n<li><strong>Aumente su fertilidad con suplementos antioxidantes<\/strong><\/li>\n<li><strong><a href=\"https:\/\/americanpregnancy.org\/getting-pregnant\/ovulation-faq\/\">Ovulaci\u00f3n: preguntas frecuentes<\/a><\/strong><\/li>\n<\/ul>\n<hr>\n<p class=\"citation-heading\">Recopilado utilizando informaci\u00f3n de las siguientes fuentes:<\/p>\n<p class=\"citation-source\">1. RESOLVE: La Asociaci\u00f3n Nacional de Infertilidad<\/p>\n<p class=\"citation-url\"><a title=\"RESOLVE: The National Infertility Association\" href=\"https:\/\/www.resolve.org\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.resolve.org<\/a><\/p>\n<p class=\"citation-source\">2. American Society for Reproductive Medicine (ASRM)<\/p>\n<p class=\"citation-url\">https:\/\/www.asrm.org<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La inyecci\u00f3n intracitoplasm\u00e1tica de espermatozoides (ICSI) consiste en la inyecci\u00f3n directa de espermatozoides en \u00f3vulos obtenidos mediante fecundaci\u00f3n in vitro (FIV). \u00bfC\u00f3mo se realiza la ICSI? B\u00e1sicamente, la inyecci\u00f3n intracitoplasm\u00e1tica de espermatozoides consta de cinco pasos sencillos que incluyen los siguientes: El \u00f3vulo maduro se sujeta con una pipeta especializada. Se utiliza una aguja muy [&hellip;]<\/p>\n","protected":false},"author":43,"featured_media":82980,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7621,7625,8630],"tags":[],"faq-categories":[8401],"class_list":["post-82979","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-getting-pregnant","category-infertility","category-fertilidad-e-infertilidad","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>Inyecci\u00f3n intracitoplasm\u00e1tica de espermatozoides: ICSI | American Pregnancy Association<\/title>\n<meta name=\"description\" content=\"La inyecci\u00f3n intracitoplasm\u00e1tica de espermatozoides (ICSI) consiste en la inyecci\u00f3n directa de espermatozoides en \u00f3vulos obtenidos mediante fecundaci\u00f3n in vitro (FIV). 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