<?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>S0300-90412023000500307</article-id>
<article-id pub-id-type="doi">10.24245/gom.v91i5.8219</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tratamiento a largo plazo del dolor pélvico con levonorgestrel en mujeres con endometriosis que desean posponer el embarazo y preservar su fertilidad. Serie de casos]]></article-title>
<article-title xml:lang="en"><![CDATA[Long-term management of pelvic pain with levonorgestrel in women with endometriosis who desire to postpone a future pregnancy and preserve their fertility. Case Series.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Resendis]]></surname>
<given-names><![CDATA[Óscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ávila-Morales]]></surname>
<given-names><![CDATA[Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sánchez-Aguilar]]></surname>
<given-names><![CDATA[Óscar Eduardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Del Valle-Jiménez]]></surname>
<given-names><![CDATA[José Hernán]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Unidad de Diagnóstico para la Mujer  ]]></institution>
<addr-line><![CDATA[Guanajuato Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Unidad de Diagnóstico para la Mujer (UNIDIM)  ]]></institution>
<addr-line><![CDATA[Guanajuato Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Unidad de Diagnóstico para la Mujer (UNIDIM)  ]]></institution>
<addr-line><![CDATA[Guanajuato Guanajuato]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Unidad de Diagnóstico para la Mujer  ]]></institution>
<addr-line><![CDATA[Guanajuato Guanajuato]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>91</volume>
<numero>5</numero>
<fpage>307</fpage>
<lpage>316</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0300-90412023000500307&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0300-90412023000500307&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0300-90412023000500307&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  OBJETIVO: Valorar el tratamiento a largo plazo del dolor pélvico con levonorgestrel en mujeres con endometriosis que desean posponer el embarazo y preservar su fertilidad.  MATERIALES Y MÉTODOS: Estudio ambispectivo, con intervención medicamentosa, longitudinal y descriptivo de serie de casos. Parámetros de estudio: medición de la intensidad del dolor a los 12, 24 y 36 meses posteriores a la colocación de un implante único de goserelina (Zoladex de 10,6 mg, AstraZeneca AB, Gärtunavägen). Al retorno de la menstruación se colocó un dispositivo intrauterino con levonorgestrel (Mirena Bayer AG, Leverkusen). La intensidad del dolor pélvico se midió con la Escala Numérica del Dolor (Escala ENA).  RESULTADOS: Se estudiaron 14 pacientes de las que 5 refirieron dolor: 4 con intensidad 1 y una con intensidad 3. El resto de las pacientes no refirió dolor. Todas las pacientes refirieron alivio general subjetivo a los 12 meses de seguimiento.  CONCLUSIONES: El levonorgestrel administrado por vía intrauterina puede ser una alternativa para mantener, a largo plazo, sin dolor a pacientes con endometriosis que desean posponer el embarazo. Para confirmar lo aquí encontrado hacen falta estudios controlados, con asignación al azar y con un tamaño de muestra realmente representativo.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  OBJECTIVE: To assess the long-term treatment of pelvic pain with levonorgestrel in women with endometriosis who wish to postpone pregnancy and preserve their fertility.  MATERIALS AND METHODS: Ambispective study, with drug intervention, longitudinal and descriptive case series. Study parameters: measurement of pain intensity at 12, 24 and 36 months after placement of a single goserelin implant (Zoladex 10.6 mg, AstraZeneca AB, Gärtunavägen). At the return of menstruation, an intrauterine device containing levonorgestrel (Mirena Bayer AG, Leverkusen) was inserted. The intensity of pelvic pain was measured with the Numerical Pain Scale (NPS).  RESULTS: Fourteen patients were studied of whom five reported pain: four with intensity 1 and one with intensity 3. The rest of the patients reported no pain. All patients reported subjective general relief at 12 months follow-up.  CONCLUSIONS: Levonorgestrel administered intrauterine may be an alternative for the long-term pain-free treatment of patients with endometriosis who wish to postpone pregnancy. Controlled, randomized studies with a truly representative sample size are needed to confirm the findings.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[aGnRH]]></kwd>
<kwd lng="es"><![CDATA[endometriosis]]></kwd>
<kwd lng="es"><![CDATA[goserelina]]></kwd>
<kwd lng="es"><![CDATA[levonorgestrel]]></kwd>
<kwd lng="es"><![CDATA[dolor pélvico]]></kwd>
<kwd lng="es"><![CDATA[tibolona]]></kwd>
<kwd lng="en"><![CDATA[aGnRH]]></kwd>
<kwd lng="en"><![CDATA[Endometriosis]]></kwd>
<kwd lng="en"><![CDATA[Gosereline]]></kwd>
<kwd lng="en"><![CDATA[Levonorgestrel]]></kwd>
<kwd lng="en"><![CDATA[Pelvic pain]]></kwd>
<kwd lng="en"><![CDATA[Tibolone]]></kwd>
</kwd-group>
</article-meta>
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