{"id":6641,"date":"2023-11-17T11:02:51","date_gmt":"2023-11-17T11:02:51","guid":{"rendered":"https:\/\/www.institutofertilidadviamed.com\/hospital-santa-angela-de-la-cruz\/assisted-reproduction-techniques\/sperm-fish-in-seville\/"},"modified":"2026-07-13T10:02:05","modified_gmt":"2026-07-13T10:02:05","slug":"sperm-fish-in-seville","status":"publish","type":"page","link":"https:\/\/www.institutofertilidadviamed.com\/hospital-santa-angela-de-la-cruz\/en\/assisted-reproduction-techniques\/sperm-fish-in-seville\/","title":{"rendered":"Sperm FISH in Seville"},"content":{"rendered":"\t\t
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Sperm FISH in Seville: high-precision chromosomal analysis<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Sperm FISH is the diagnostic test that allows us to detect \u201cinvisible\u201d chromosomal abnormalities in semen that may be the cause of previous treatment failures. It is always indicated after an individual assessment of each case by the specialist. <\/p>

Located in Viamed Hospital Santa \u00c1ngela de la Cruz, our team of professionals uses this advanced cytogenetic technique to ensure that every step of your Life Project is based on the most complete medical information possible.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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What is sperm FISH and what does it analyse?<\/h2>

FISH stands for Fluorescence In Situ Hybridisation. In simple terms, it is a technique that uses fluorescent \u201ccolour markers\u201d to count the number of chromosomes inside each sperm cell. <\/p>

Normally, each sperm cell carries one copy of each chromosome. If we detect that a high percentage of the sample has extra or missing copies, known as aneuploidies, the risk of the embryo not being viable increases dramatically. At our centre in Seville, we analyse the 9 chromosomes that most frequently present alterations: 13, 15, 16, 17, 18, 21, 22, X and Y. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Sperm FISH provides key information about possible chromosomal alterations that may affect fertility, helping to guide the diagnosis and select the most appropriate reproductive strategy for each case.<\/span><\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tSpecialisation in cytogenetics\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\tWe have laboratories equipped with high-resolution microscopy for precise reading of fluorescent signals. \t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tHospital rigour\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\tWith the support of Viamed Salud, each sample is handled under hospital-level biological safety and traceability protocols. \t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\n\t\t\t\t\t\t\tComprehensive vision\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/h3>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t

\n\t\t\t\t\t\tOur medical team interprets the results in order to adapt your treatment in a personalised way.\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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How can sperm chromosomal abnormalities affect your Life Project?<\/h2>

If a sperm cell with an incorrect chromosomal load fertilises the egg, the consequences can be painful:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Fertilisation failure<\/h3>

The egg and sperm are unable to create an embryo. <\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Implantation failure<\/h3>

Embryos are generated that may appear healthy in the laboratory, but are rejected by the uterus because they are not genetically viable. <\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Recurrent miscarriage<\/h3>

Pregnancy begins, but stops in the first few weeks due to chromosomal errors in the sperm.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Risk of disorders<\/h3>

There is an increased likelihood of the newborn having a chromosomal alteration.<\/p><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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When is the FISH study recommended?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\tDepending on each patient\u2019s characteristics, sperm FISH may be recommended in the following situations:\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\tCouples with recurrent miscarriage with no apparent female cause. \t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\tPatients with implantation failure after several In Vitro Fertilisation (IVF) cycles.\t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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\n\t\t\t\t\t\tMen with severe male factor infertility, such as major alterations in sperm concentration or motility. \t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\tCouples with a history of a previous pregnancy with chromosomal abnormalities. \t\t\t\t\t<\/p>\n\t\t\t\t\n\t\t\t<\/div>\n\t\t\t\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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From diagnosis to solution: the path towards PGT<\/h2>

The most important aspect of FISH is not only detecting the problem, but offering a solution. If the result shows a high percentage of abnormal sperm cells, at Viamed Fertility Institute we have the tools to help overcome this obstacle. <\/p>

After an individual assessment of each case, the medical team may recommend Preimplantation Genetic Testing (PGT). By genetically analysing embryos before transfer, we can select only those that are chromosomally healthy, thereby neutralising the risk detected in the sperm and maximising your chances of success. <\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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FAQs: questions about sperm FISH in Seville<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/i><\/span>\n\t\t\t\t\t\t\t\t<\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\tCan a normal semen analysis show an abnormal FISH result?<\/a>\n\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t

Yes. A man may have many sperm cells and they may move very well, resulting in a normal semen analysis, but their internal chromosomal load may still be incorrect. FISH is a test of \u201cinternal quality\u201d, not \u201cexternal appearance\u201d. <\/span><\/span> <\/span><\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/i><\/span>\n\t\t\t\t\t\t\t\t<\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\tIs this test painful for men?<\/a>\n\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t

Not at all. As with a conventional semen analysis, only a semen sample obtained through masturbation is required, after an abstinence period of between 3 and 5 days. <\/span><\/span> <\/span><\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/i><\/span>\n\t\t\t\t\t\t\t\t<\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\tHow long do the results take at the hospital?<\/a>\n\t\t\t\t\t<\/h3>\n\n\t\t\t\t\t

Due to the technical complexity of fluorescent hybridisation, the report is usually available in around 10 to 15 days. At Hospital Santa \u00c1ngela de la Cruz, we streamline the process so that you can make decisions about your treatment as soon as possible. <\/span><\/span> <\/span><\/p>\n<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"

Sperm FISH in Seville: high-precision chromosomal analysis Sperm FISH is the diagnostic test that allows us to detect \u201cinvisible\u201d chromosomal abnormalities in semen that may be the cause of previous treatment failures. It is always indicated after an individual assessment of each case by the specialist. Located in Viamed Hospital Santa \u00c1ngela de la Cruz, […]<\/p>\n","protected":false},"author":1,"featured_media":3522,"parent":4074,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-6641","page","type-page","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"\nSperm FISH in Seville \u2013 Viamed Fertility Institute<\/title>\n<meta name=\"description\" content=\"Analyses chromosomal abnormalities in sperm using FISH to guide fertility treatments at IFV Sevilla.\" \/>\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.institutofertilidadviamed.com\/hospital-santa-angela-de-la-cruz\/en\/assisted-reproduction-techniques\/sperm-fish-in-seville\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sperm FISH in Seville \u2013 Viamed Fertility Institute\" \/>\n<meta property=\"og:description\" content=\"Analyses chromosomal abnormalities in sperm using FISH to guide fertility treatments at IFV Sevilla.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.institutofertilidadviamed.com\/hospital-santa-angela-de-la-cruz\/en\/assisted-reproduction-techniques\/sperm-fish-in-seville\/\" \/>\n<meta property=\"og:site_name\" content=\"Instituto de Fertilidad Viamed - Cl\u00ednica de fertilidad en Sevilla\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-13T10:02:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.institutofertilidadviamed.com\/hospital-santa-angela-de-la-cruz\/wp-content\/uploads\/2022\/12\/GettyImages-1189437659.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"2022\" \/>\n\t<meta property=\"og:image:height\" content=\"1483\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.institutofertilidadviamed.com\\\/hospital-santa-angela-de-la-cruz\\\/en\\\/assisted-reproduction-techniques\\\/sperm-fish-in-seville\\\/\",\"url\":\"https:\\\/\\\/www.institutofertilidadviamed.com\\\/hospital-santa-angela-de-la-cruz\\\/en\\\/assisted-reproduction-techniques\\\/sperm-fish-in-seville\\\/\",\"name\":\"Sperm FISH in Seville \u2013 Viamed Fertility Institute\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.institutofertilidadviamed.com\\\/hospital-santa-angela-de-la-cruz\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.institutofertilidadviamed.com\\\/hospital-santa-angela-de-la-cruz\\\/en\\\/assisted-reproduction-techniques\\\/sperm-fish-in-seville\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.institutofertilidadviamed.com\\\/hospital-santa-angela-de-la-cruz\\\/en\\\/assisted-reproduction-techniques\\\/sperm-fish-in-seville\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.institutofertilidadviamed.com\\\/hospital-santa-angela-de-la-cruz\\\/wp-content\\\/uploads\\\/2022\\\/12\\\/GettyImages-1189437659.jpg\",\"datePublished\":\"2023-11-17T11:02:51+00:00\",\"dateModified\":\"2026-07-13T10:02:05+00:00\",\"description\":\"Analyses chromosomal abnormalities in sperm using FISH to guide fertility treatments at IFV Sevilla.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.institutofertilidadviamed.com\\\/hospital-santa-angela-de-la-cruz\\\/en\\\/assisted-reproduction-techniques\\\/sperm-fish-in-seville\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.institutofertilidadviamed.com\\\/hospital-santa-angela-de-la-cruz\\\/en\\\/assisted-reproduction-techniques\\\/sperm-fish-in-seville\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.institutofertilidadviamed.com\\\/hospital-santa-angela-de-la-cruz\\\/en\\\/assisted-reproduction-techniques\\\/sperm-fish-in-seville\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.institutofertilidadviamed.com\\\/hospital-santa-angela-de-la-cruz\\\/wp-content\\\/uploads\\\/2022\\\/12\\\/GettyImages-1189437659.jpg\",\"contentUrl\":\"https:\\\/\\\/www.institutofertilidadviamed.com\\\/hospital-santa-angela-de-la-cruz\\\/wp-content\\\/uploads\\\/2022\\\/12\\\/GettyImages-1189437659.jpg\",\"width\":2022,\"height\":1483,\"caption\":\"Genetic Syndrome and Genetic Disorder, 3D illustration of science concept. 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