<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1812-9528</journal-id>
<journal-title><![CDATA[Memorias del Instituto de Investigaciones en Ciencias de la Salud]]></journal-title>
<abbrev-journal-title><![CDATA[Mem. Inst. Investig. Cienc. Salud]]></abbrev-journal-title>
<issn>1812-9528</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Investigaciones en Ciencias de la Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1812-95282022000300027</article-id>
<article-id pub-id-type="doi">10.18004/mem.iics/1812-9528/2022.020.03.27</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Evaluación citogenética en parejas con esterilidad e infertilidad que concurren al Departamento de Genética del Instituto de Investigaciones en Ciencias de la Salud de la Universidad Nacional de Asunción en el periodo septiembre 2021- febrero 2022]]></article-title>
<article-title xml:lang="en"><![CDATA[Cytogenetic evaluation in couples with sterility and infertility who attend the Genetics Department of the Health Sciences Research Institute of the National University of Asunción in the period September 2021- February 2022]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González-Caballero]]></surname>
<given-names><![CDATA[Andrea]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Martínez]]></surname>
<given-names><![CDATA[Silvia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres-Fernández]]></surname>
<given-names><![CDATA[Elodia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Asunción Instituto de Investigaciones en Ciencias de la Salud Departamento de Genética, Laboratorio de Citogenética]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Químicas ]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2022</year>
</pub-date>
<volume>20</volume>
<numero>3</numero>
<fpage>27</fpage>
<lpage>35</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S1812-95282022000300027&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S1812-95282022000300027&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S1812-95282022000300027&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN La prevalencia de la infertilidad no posee datos muy exactos y varía en cada región, pero se estima que aproximadamente entre un 10 a 20% de las parejas experimentan algún problema de fertilidad durante su vida reproductiva. Según la Organización Mundial de la Salud (OMS), entre 48 millones de parejas y 186 millones de personas padecen de trastornos reproductivos en todo el mundo. El objetivo de este estudio fue la evaluación citogenética en parejas con esterilidad e infertilidad que concurrieron al Departamento de Genética del Instituto de Investigaciones en Ciencias de la Salud de la Universidad Nacional de Asunción (IICS-UNA) en el periodo septiembre 2021 a febrero 2022. Dicha evaluación citogenética fue realizada en muestras de 19 parejas mediante el análisis microscópico de 30 metafases por paciente. Se identificaron anomalías cromosómicas en algunas parejas estudiadas, se encontraron tres anomalías cromosómicas estructurales y varios polimorfismos o variantes cromosómicas. En el 63% de los individuos estudiados se observó un cariotipo normal, en el 8% alteraciones cromosómicas y en el 29% variantes cromosómicas. De las anomalías cromosómicas encontradas, las deleciones y translocaciones observadas se relacionan con una producción de gametos desequilibrados, dando lugar a abortos espontáneos y a la imposibilidad de concebir; en las parejas con cariotipo normal, se identificaron factores de riesgo como la edad, hábitos tóxicos como el consumo de tabaco, y enfermedades de base.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT The prevalence of infertility does not have very exact data and varies in each region, but it is estimated that approximately 10 to 20% of couples experience some fertility problem during their reproductive life. According to the World Health Organization (WHO), between 48 million couples and 186 million people suffer from reproductive disorders worldwide. The objective of this study was the cytogenetic evaluation in couples with sterility and infertility who attended the Genetics Department of the Health Sciences Research Institute of the National University of Asunción (IICS-UNA) from September 2021 to February 2022. The cytogenetic evaluation was carried out in samples from 19 couples, through the microscopic analysis of 30 metaphases per patient. Chromosomal abnormalities were identified in some couples studied, three structural chromosomal abnormalities and several polymorphisms or chromosomal variants were found. A normal karyotype was found in 63% of the couples studied, chromosomal abnormalities in 8%, and chromosomal variants in 29%. Of the chromosomal abnormalities found, the deletions and translocations observed are related to unbalanced gamete production, leading to spontaneous abortions; in couples with a normal karyotype, risk factors such as age, toxic habits such as consumption of tobacco, and underlying diseases were identified.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Citogenética]]></kwd>
<kwd lng="es"><![CDATA[cariotipo]]></kwd>
<kwd lng="es"><![CDATA[infertilidad]]></kwd>
<kwd lng="es"><![CDATA[esterilidad]]></kwd>
<kwd lng="es"><![CDATA[anomalías cromosómicas]]></kwd>
<kwd lng="en"><![CDATA[Cytogenetic]]></kwd>
<kwd lng="en"><![CDATA[karyotype]]></kwd>
<kwd lng="en"><![CDATA[infertility]]></kwd>
<kwd lng="en"><![CDATA[sterility]]></kwd>
<kwd lng="en"><![CDATA[chromosomal abnormalities]]></kwd>
</kwd-group>
</article-meta>
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