<?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>0036-3634</journal-id>
<journal-title><![CDATA[Salud Pública de México]]></journal-title>
<abbrev-journal-title><![CDATA[Salud pública Méx]]></abbrev-journal-title>
<issn>0036-3634</issn>
<publisher>
<publisher-name><![CDATA[Instituto Nacional de Salud Pública]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0036-36342021000400521</article-id>
<article-id pub-id-type="doi">10.21149/12200</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Desarrollo del lenguaje en hijos e hijas de madres adolescentes por área de residencia, Ensanut 100k]]></article-title>
<article-title xml:lang="en"><![CDATA[Language development in children of adolescent mothers by residence area, Ensanut 100k.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres-Sánchez]]></surname>
<given-names><![CDATA[Luisa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Romero]]></surname>
<given-names><![CDATA[Martín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vázquez-Salas]]></surname>
<given-names><![CDATA[Ruth Argelia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Nacional de Salud Pública  ]]></institution>
<addr-line><![CDATA[Cuernavaca Morelos]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto Nacional de Salud Pública  ]]></institution>
<addr-line><![CDATA[Cuernavaca Morelos]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2021</year>
</pub-date>
<volume>63</volume>
<numero>4</numero>
<fpage>521</fpage>
<lpage>529</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0036-36342021000400521&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0036-36342021000400521&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0036-36342021000400521&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Objetivo:  Evaluar la asociación entre embarazo en la adolescencia y desarrollo del lenguaje (DL), en niños(as) residentes en zonas económicamente vulnerables de México.  Material y métodos:  Estimación y comparación del puntaje estandarizado de lenguaje de niños(as) de 12-59 meses participantes en la Ensanut 100k e hijos(as) de madres que al nacimiento fueron adolescentes (12-19 años) o adultas (&gt;20 años). La asociación se estimó mediante regresión lineal multivariada y probamos una interacción entre condición materna y lugar de residencia.  Resultados:  Los hijos(as) de adolescentes que residen en áreas urbanas tuvieron un DL menor que los hijos(as) de madres adultas, (ß= -0.33 IC95%: -0.65 a -0.01; p interacción &lt;0.01). Sin embargo, la disponibilidad de libros o apoyo materno al aprendizaje redujeron esta diferencia.  Conclusiones:  La presión sociocultural hacia las adolescentes en zonas urbanas podría explicar los resultados observados; no obstante, esta población podría ser susceptible de estrategias dirigidas a mejorar la relación madre-hijo y el apoyo al aprendizaje.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Objetive:  To evaluate the association between adolescent pregnancy and language development, in children living in socio-economic vulnerable areas of Mexico.  Materials and methods:  We estimated the standardized language score of children age 12-59 months who participated in the Ensanut 100k. Teenage mothers (TM) were those who at delivery was between 12-19 years old. The association was estimated using multivariate linear regression; moreover, we evaluated an interaction between type of mother and place of residence.  Results:  Children of TM who lived in urban areas had lower standardized language score than those children of adult mothers (ß= -0.33 95%CI: -0.65 a -0.01; p for interaction&lt;0.01). However, book availability and/or mother&#8217;s support for learning significantly reduce this difference.  Conclusions:  Sociocultural pressures towards TM in urban areas could explain the results; nevertheless, this population could be susceptible to strategies aimed to improve the mother-child relationship and support for learning.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[desarrollo infantil]]></kwd>
<kwd lng="es"><![CDATA[lenguaje infantil]]></kwd>
<kwd lng="es"><![CDATA[MacArthur CDI]]></kwd>
<kwd lng="es"><![CDATA[PPVT-III]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="en"><![CDATA[child development]]></kwd>
<kwd lng="en"><![CDATA[child language]]></kwd>
<kwd lng="en"><![CDATA[MacArthur CDI]]></kwd>
<kwd lng="en"><![CDATA[PPVT-III]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
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