<?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>1870-7203</journal-id>
<journal-title><![CDATA[Acta médica Grupo Ángeles]]></journal-title>
<abbrev-journal-title><![CDATA[Acta méd. Grupo Ángeles]]></abbrev-journal-title>
<issn>1870-7203</issn>
<publisher>
<publisher-name><![CDATA[Grupo Ángeles, Servicios de Salud]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-72032018000200125</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Edad materna avanzada como factor de riesgo perinatal y del recién nacido]]></article-title>
<article-title xml:lang="en"><![CDATA[Advanced maternal age as a perinatal and newborn risk factor]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Macías Villa]]></surname>
<given-names><![CDATA[Héctor Luis Guillermo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moguel Hernández]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Iglesias Leboreiro]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Bernárdez Zapata]]></surname>
<given-names><![CDATA[Isabel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Braverman Bronstein]]></surname>
<given-names><![CDATA[Ariela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad La Salle Facultad Mexicana de Medicina Hospital Español de México]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Puebla Unidad de Cuidados Intensivos Neonatales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Español de México División de Pediatría y Neonatología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Hospital Español de México  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Hospital Español de México Salud Pública y Pediatra ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2018</year>
</pub-date>
<volume>16</volume>
<numero>2</numero>
<fpage>125</fpage>
<lpage>132</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-72032018000200125&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-72032018000200125&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-72032018000200125&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen:  Introducción: La incidencia de recién nacidos (RN) de madres de edad materna avanzada ha ido en incremento a nivel mundial con las complicaciones que conlleva.  Objetivo:  Identificar las complicaciones neonatales asociadas a edad materna avanzada.  Material y métodos:  Estudio tipo cohorte, prospectivo, se incluyeron todos los RN únicos vivos en el Hospital Español de México durante el año 2016. Se clasificó a los RN en dos grupos de acuerdo con la edad materna; se calcularon frecuencias y porcentajes para variables discretas; medias y desviación estándar para las variables continuas. Para comparar los grupos se utilizó chi cuadrada (&#967;2) o exacta de Fisher y t de Student.  Resultados: Se incluyeron 1,586 mujeres, 64.2% menores de 35 años y 35.8% de edad materna avanzada. Se observó enfermedad hipertensiva del embarazo en 5.2% versus 8.3% (p = 0.016) y diabetes gestacional en 2.7% versus 4.6% (p = 0.041). La media de edad gestacional al nacimiento fue de 38 semanas en los recién nacidos de madres menores de 35 años, con menor edad gestacional los hijos de madres mayores de 35 años (37 semanas). Del total de RN 8.2% ingresó a la unidad de cuidados intensivos neonatales presentando complicaciones respiratorias e infecciosas principalmente.  Conclusión: Es importante tener en cuenta las complicaciones materno-fetales asociadas a la edad avanzada para brindar un adecuado control prenatal y postnatal y de esta forma prevenir algunas complicaciones asociadas a edad materna avanzada y lograr embarazos seguros.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction:  The incidence of newborns (NBs) of mothers of advanced maternal age has been increasing worldwide, with the complications that it entails.  Objective:  To identify neonatal complications associated with advanced maternal age.  Material and methods: A prospective, cohort study was included in all the single NBs alive at the Hospital Español de México during 2016. NBs were classified into two groups according to maternal age; frequencies and percentages were calculated for discrete variables; means and standard deviation for continuous variables. Chi square (&#967;2) or Fisher exact and Student t were used to compare the groups.  Results:  1,586 women, 64.2% under 35 years old and 35.8% of advanced maternal age were included. We found hypertensive pregnancy disease in 5.2% (under 35 years mothers) versus 8.3% of elderly mothers, and gestational diabetes in 2.7% (under 35 years mothers) versus 4.6% of elderly mothers. The mean gestational age at birth was 38 weeks for newborns of non-elderly mothers, having a lower gestational age the children of elderly mothers do (37 weeks). Eight percent of the patients entered the neonatal intensive care unit, presenting mainly respiratory and infectious complications.  Conclusions: It is important to take into account the maternal-fetal complications associated with advanced age to provide adequate prenatal and postnatal control in order to prevent some complications associated with advanced maternal age and achieve safe pregnancies.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Edad materna avanzada]]></kwd>
<kwd lng="es"><![CDATA[complicaciones]]></kwd>
<kwd lng="es"><![CDATA[prematuridad]]></kwd>
<kwd lng="es"><![CDATA[recién nacido]]></kwd>
<kwd lng="en"><![CDATA[Advanced maternal age]]></kwd>
<kwd lng="en"><![CDATA[complications]]></kwd>
<kwd lng="en"><![CDATA[prematurity]]></kwd>
<kwd lng="en"><![CDATA[new born]]></kwd>
</kwd-group>
</article-meta>
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