<?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>0300-9041</journal-id>
<journal-title><![CDATA[Ginecología y obstetricia de México]]></journal-title>
<abbrev-journal-title><![CDATA[Ginecol. obstet. Méx.]]></abbrev-journal-title>
<issn>0300-9041</issn>
<publisher>
<publisher-name><![CDATA[Federación Mexicana de Colegios de Obstetricia y Ginecología A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0300-90412020001100006</article-id>
<article-id pub-id-type="doi">10.24245/gom.v88i11.4605</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Preservación de la fertilidad: opinión de un grupo de expertos]]></article-title>
<article-title xml:lang="en"><![CDATA[Fertility Preservation: Expert Group Opinion]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Batiza Resendiz]]></surname>
<given-names><![CDATA[Víctor Alfonso]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar Melgar]]></surname>
<given-names><![CDATA[Ashanti]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Luna Rojas]]></surname>
<given-names><![CDATA[Rosa Martha]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez-Peña]]></surname>
<given-names><![CDATA[Efraín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez Gutiérrez]]></surname>
<given-names><![CDATA[Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruvalcaba Castrellón]]></surname>
<given-names><![CDATA[Luis Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Salazar López-Ortiz]]></surname>
<given-names><![CDATA[Carlos]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Michel Vergara]]></surname>
<given-names><![CDATA[Jorge Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Shaw Dulin]]></surname>
<given-names><![CDATA[Robin Jennifer]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barquet Muñoz]]></surname>
<given-names><![CDATA[Salim Abraham]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Hernández López]]></surname>
<given-names><![CDATA[Luis Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García Rodríguez]]></surname>
<given-names><![CDATA[Francisco José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cortés Esteban]]></surname>
<given-names><![CDATA[Patricia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez Llamas]]></surname>
<given-names><![CDATA[Benito]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez Calderóon]]></surname>
<given-names><![CDATA[Ricardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado Rosas]]></surname>
<given-names><![CDATA[Israel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Fertilitá  ]]></institution>
<addr-line><![CDATA[Monterrey NL]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,IECH  ]]></institution>
<addr-line><![CDATA[Monterrey NL]]></addr-line>
</aff>
<aff id="Af3">
<institution><![CDATA[,RMA of New York México  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto VIDA  ]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
</aff>
<aff id="Af5">
<institution><![CDATA[,Instituto VIDA  ]]></institution>
<addr-line><![CDATA[León Guanajuato]]></addr-line>
</aff>
<aff id="Af6">
<institution><![CDATA[,Instituto Mexicano de Infertilidad  ]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
</aff>
<aff id="Af7">
<institution><![CDATA[,Hospital Español Clínica de Reproducción Asistida HISPAREP ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
</aff>
<aff id="Af8">
<institution><![CDATA[,Centro de Fertilidad CEFERTIL  ]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
</aff>
<aff id="Af9">
<institution><![CDATA[,Instituto Nacional de Cancerología  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
</aff>
<aff id="A10">
<institution><![CDATA[,Hospital Español  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
</aff>
<aff id="A11">
<institution><![CDATA[,Istituto de Seguridad y Servicios Sociales de los Trabajadores del Estado  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
</aff>
<aff id="A12">
<institution><![CDATA[,Oncología médica  ]]></institution>
<addr-line><![CDATA[Guadalajara Jalisco]]></addr-line>
</aff>
<aff id="A13">
<institution><![CDATA[,Hospital Español Clínica de Reproducción Asistida ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
</aff>
<aff id="A14">
<institution><![CDATA[,Centro de Reproducción Asistida CITMER  ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>88</volume>
<numero>11</numero>
<fpage>767</fpage>
<lpage>805</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0300-90412020001100006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0300-90412020001100006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0300-90412020001100006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen La preservación de la fertilidad es la aplicación de estrategias médicas y de laboratorio para cuidar la permanencia de la descendencia genética parental en adultos o niños en riesgo de esterilidad. El cáncer es la principal indicación de preservación de la fertilidad en pacientes en edad reproductiva. Si bien en las últimas décadas se ha incrementado la incidencia de cáncer en adolescentes, los tratamientos oncológicos también han mejorado de manera importante por lo que hoy es posible la curación en un amplio porcentaje de pacientes. La mayoría de los niños y adolescentes con cáncer se convierten en supervivientes a largo plazo, lo que aumenta el interés en los efectos del tratamiento del cáncer en la fertilidad. Los tratamientos farmacológicos para prevención del rechazo de órganos trasplantados pueden afectar la fertilidad y, por tanto, las pacientes requieren orientación para la preservación de la fertilidad. En este documento se proponen lineamientos para la atención de pacientes oncológicas que solicitan la preservación de su fertilidad. También se consideraron casos especiales, como la preservación social en casos de conceptualización sexual diferente, y los aspectos legales y éticos básicos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Fertility preservation is the application of medical and laboratory strategies to preserve parental genetic offspring in adults or children at risk of sterility. Cancer is the main indication of fertility preservation in patients of reproductive age. In recent decades, the incidence of cancer in adolescents has increased. Cancer treatments have also improved significantly, making cure possible today in a large percentage of patients. Most children and adolescents with cancer become long-term survivors, increasing interest in the effects of cancer treatment on fertility. Social, economic and cultural conditions are also decisive in deciding when a couple seeks to promote their fertility. Furthermore, other pathologies or even drugs for the prevention of rejection of transplanted organs can affect fertility and, therefore, such patients are susceptible to guidance on fertility preservation. Success in assisted reproduction programs and cancer treatments provide alternatives to preserve fertility. In this document we have evaluated oncological patients who are candidates for fertility preservation: young people at risk of compromising their fertility due to oncological treatment, but with sufficient ovarian reserve and acceptable vital prognosis. Special cases such as social preservation were also considered, in cases of different sexual conceptualization, as well as the basic legal and ethical aspects.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Preservación de la fertilidad]]></kwd>
<kwd lng="es"><![CDATA[prenatal]]></kwd>
<kwd lng="es"><![CDATA[adolescentes]]></kwd>
<kwd lng="es"><![CDATA[cáncer]]></kwd>
<kwd lng="es"><![CDATA[supervivientes a largo plazo]]></kwd>
<kwd lng="es"><![CDATA[reserva ovárica]]></kwd>
<kwd lng="en"><![CDATA[Fertility preservation]]></kwd>
<kwd lng="en"><![CDATA[Prenatal]]></kwd>
<kwd lng="en"><![CDATA[Adolescents]]></kwd>
<kwd lng="en"><![CDATA[Cancer]]></kwd>
<kwd lng="en"><![CDATA[Long term survivors]]></kwd>
<kwd lng="en"><![CDATA[Ovarian reserve]]></kwd>
<kwd lng="en"><![CDATA[Prognosis]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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