<?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>S0300-90412025000600193</article-id>
<article-id pub-id-type="doi">10.24245/gom.v93i6.165</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Doppler uterino anormal como predictor de preeclampsia en embarazos de alto riesgo]]></article-title>
<article-title xml:lang="en"><![CDATA[Abnormal uterine Doppler as a predictor of preeclampsia in high-risk pregnancies.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Molina Pérez]]></surname>
<given-names><![CDATA[Carlos José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Berumen Lechuga]]></surname>
<given-names><![CDATA[María Guadalupe]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno Álvarez]]></surname>
<given-names><![CDATA[Óscar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Borja Velázquez]]></surname>
<given-names><![CDATA[Miriam]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Amaya Herrera]]></surname>
<given-names><![CDATA[Larissa Danely]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital de Ginecoobstetricia 4 Luis Castelazo Ayala ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital de Ginecoobstetricia 4 Luis Castelazo Ayala ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital de Ginecoobstetricia 4 Luis Castelazo Ayala ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Mexicano del Seguro Social Hospital de Ginecoobstetricia 4 Luis Castelazo Ayala ]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</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>93</volume>
<numero>6</numero>
<fpage>193</fpage>
<lpage>202</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0300-90412025000600193&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0300-90412025000600193&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0300-90412025000600193&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  OBJETIVO: Medir la asociación entre la anormalidad de la flujometría Doppler de las arterias y la ocurrencia de preeclampsia en mujeres mexicanas con embarazo de alto riesgo durante el segundo trimestre de la gestación.  MATERIALES Y MÉTODOS: Estudio de cohorte, prospectivo, efectuado en pacientes con alguna comorbilidad y con 20 a 24 semanas de embarazo. En la medición del índice de pulsatilidad medio se consideró anormalidad un percentil &#8805; 95. Se calculó la incidencia de preeclampsia y se consideraron los parámetros de: ingreso a la unidad de cuidados intensivos y los desenlaces perinatales entre grupos (normal en contra de anormal). Se calcularon las diferencias entre medias con la prueba t Student y U de Mann-Whitney. La comparación de las diferentes proporciones se determinó con la prueba de la &#967;2 y la fuerza de asociación mediante razón de momios.  RESULTADOS:  Se estudiaron 82 pacientes divididas en dos grupos. Se registró mayor frecuencia de preeclampsia en el grupo con flujo Doppler uterino anormal (36% en comparación con 12.2%; p &lt; 0.001; RM 4.1; IC95%: 1.3-12.87). Complicaciones maternas: más ingresos a cuidados intensivos por preeclampsia en el grupo anormal (22% en comparación con 2.4%; p &lt; 0.001; RM 1.3; IC95%: 1.3-93.5). Desenlaces perinatales: mayor riesgo de bajo peso del recién nacido: p &lt; 10 (RM 3.5; IC95%: 1.4-9.1), p &lt; 3 (RM 3.3; IC95%: 3.3-9.8) e ingreso a cuidados intensivos neonatales (RM 1.2; IC95%: 1.1-1.5).  CONCLUSIÓN:  El flujo Doppler uterino anormal en el segundo trimestre se asocia, significativamente, con preeclampsia, complicaciones maternas graves (ingreso cuidados intensivos) y desenlaces neonatales adversos (bajo peso, ingreso a cuidados intensivos) en embarazos de alto riesgo obstétrico.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  OBJECTIVE: To assess the association between abnormal Doppler flowmetry of the arteries and the occurrence of preeclampsia in Mexican women with high-risk pregnancies during the second trimester.  METHODS AND MATERIALS: A prospective cohort study was conducted on patients with comorbidities between 20 and 24 weeks of pregnancy. A percentile &#8805; 95 was considered abnormal when measuring the mean pulsatility index. We calculated the incidence of preeclampsia and considered the following parameters: admission to the intensive care unit and perinatal outcomes between groups (normal versus abnormal). Differences in means were calculated using Student&amp;apos;s t-test and the Mann-Whitney U-test. The chi-square test was used to compare different proportions, and the odds ratio was used to determine the strength of association.  RESULTS: Eighty-two patients were studied and divided into two groups. A higher frequency of preeclampsia was recorded in the group with abnormal uterine Doppler flow (36% versus 12.2%; p &lt; 0.001; relative risk [RR] 4.1; 95% confidence interval [CI]: 1.3-12.87). There were more maternal complications, including more intensive care admissions for preeclampsia (22% compared to 2.4%; p &lt; 0.001; RM 1.3; 95% CI: 1.3-93.5). Perinatal outcomes showed a higher risk of low birth weight (p &lt; 10; RM 3.5; 95% CI: 1.4-9.1 and p &lt; 3; RM 3.3; 95% CI: 3.3-9.8) and admission to the neonatal intensive care unit (RM 1.2; 95% CI: 1.1-1.5).  CONCLUSION: Abnormal uterine Doppler flow in the second trimester is significantly associated with preeclampsia, serious maternal complications (e.g., admission to intensive care), and adverse neonatal outcomes (e.g., low birth weight, admission to intensive care) in high-risk obstetric pregnancies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Doppler uterino]]></kwd>
<kwd lng="es"><![CDATA[preeclampsia]]></kwd>
<kwd lng="es"><![CDATA[alto riesgo obstétrico]]></kwd>
<kwd lng="es"><![CDATA[desenlaces perinatales]]></kwd>
<kwd lng="en"><![CDATA[Uterine Doppler]]></kwd>
<kwd lng="en"><![CDATA[preeclampsia]]></kwd>
<kwd lng="en"><![CDATA[high obstetric risk]]></kwd>
<kwd lng="en"><![CDATA[perinatal outcomes]]></kwd>
</kwd-group>
</article-meta>
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