<?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>0185-3252</journal-id>
<journal-title><![CDATA[Anales médicos (México, Ciudad de México)]]></journal-title>
<abbrev-journal-title><![CDATA[An. méd.]]></abbrev-journal-title>
<issn>0185-3252</issn>
<publisher>
<publisher-name><![CDATA[Asociación Médica del Centro Médico ABC]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0185-32522025000500011</article-id>
<article-id pub-id-type="doi">10.24875/amh.23000029</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Tratamiento médico conservador de embarazo ectópico en cicatriz de cesárea previa]]></article-title>
<article-title xml:lang="en"><![CDATA[Conservative medical treatment of ectopic pregnancy in a previous cesarean section scar]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Flores-Osornio]]></surname>
<given-names><![CDATA[Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castilla-Zenteno]]></surname>
<given-names><![CDATA[Adalberto]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez-Villafaña]]></surname>
<given-names><![CDATA[Enrique]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital de la Mujer Puebla Servicio de Ginecología ]]></institution>
<addr-line><![CDATA[Puebla ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital de la Mujer Puebla Servicio de Medicina Materno Fetal ]]></institution>
<addr-line><![CDATA[Puebla ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital General IMSS Servicio de Ginecología ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<volume>70</volume>
<fpage>54</fpage>
<lpage>58</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0185-32522025000500011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0185-32522025000500011&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0185-32522025000500011&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El embarazo ectópico en una cicatriz de cesárea previa es la implantación embrionaria en el miometrio de una cicatriz previa por cesárea. Se presenta el caso clínico de una paciente de 38 años, con reporte ultrasonográfico de embrión de 6.6 semanas localizado en la pared anterior de istmo uterino; cuantificación de hCG-&#946; en 6,402 mUI. Se optó por manejo conservador mediante la punción de saco gestacional transcervical guiada por ultrasonido, administrando metotrexato 1 mg/kg intrasacular y dosis única intravenosa de 50 mg. La hormona se negativizó 6 semanas posteriores al procedimiento. El uso de metotrexato sistémico y local combinado es una opción segura, con una alta tasa de efectividad.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Ectopic pregnancy in a previous cesarean section scar is the embryonic implantation in the myometrium of a previous cesarean section scar. The clinical case of a 38-year-old patient is presented, with an ultrasonographic report of a 6.6-week embryo located in the anterior wall of the uterine isthmus; quantification of hCG-&#946; in 6,402 mIU. Conservative management was chosen through ultrasound-guided transcervical gestational sac puncture, administering intrasaccular methotrexate 1 mg/kg, and a single intravenous dose of 50 mg. The hormone became negative six weeks after the procedure. The use of combined systemic and local methotrexate is a safe option, with a high effectiveness rate.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Cesárea]]></kwd>
<kwd lng="es"><![CDATA[Embarazo ectópico]]></kwd>
<kwd lng="es"><![CDATA[Tratamiento conservador]]></kwd>
<kwd lng="es"><![CDATA[Metotrexato]]></kwd>
<kwd lng="en"><![CDATA[Cesarean section]]></kwd>
<kwd lng="en"><![CDATA[Ectopic pregnancy]]></kwd>
<kwd lng="en"><![CDATA[Conservative treatment]]></kwd>
<kwd lng="en"><![CDATA[Methotrexate]]></kwd>
</kwd-group>
</article-meta>
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