<?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>0212-1611</journal-id>
<journal-title><![CDATA[Nutrición Hospitalaria]]></journal-title>
<abbrev-journal-title><![CDATA[Nutr. Hosp.]]></abbrev-journal-title>
<issn>0212-1611</issn>
<publisher>
<publisher-name><![CDATA[Grupo Arán]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0212-16112017000300647</article-id>
<article-id pub-id-type="doi">10.20960/nh.459</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Infrapeso materno y resultados perinatales: estudio de cohortes retrospectivo]]></article-title>
<article-title xml:lang="en"><![CDATA[Maternal underweight and perinatal outcomes: a restrospective cohort study]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Vilar Sánchez]]></surname>
<given-names><![CDATA[Ángel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández Alba]]></surname>
<given-names><![CDATA[Juan Jesús]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[González Macías]]></surname>
<given-names><![CDATA[María del Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Paublete Herrera]]></surname>
<given-names><![CDATA[María del Carmen]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carnicer Fuentes]]></surname>
<given-names><![CDATA[Concepción]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Carral San Laureano]]></surname>
<given-names><![CDATA[Florentino]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torrejón Cardoso]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Moreno Corral]]></surname>
<given-names><![CDATA[Luis Javier]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Servicio Andaluz de Salud Hospital Universitario de Puerto Real Unidades de Obstetricia y Ginecología]]></institution>
<addr-line><![CDATA[Puerto Real Cádiz]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Cádiz Departamento de Enfermería y Fisioterapia ]]></institution>
<addr-line><![CDATA[Cádiz ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Servicio Andaluz de Salud Hospital Universitario de Puerto Rea Unidades de Endocrinología y Nutrición]]></institution>
<addr-line><![CDATA[Puerto Real Cádiz]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>34</volume>
<numero>3</numero>
<fpage>647</fpage>
<lpage>653</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S0212-16112017000300647&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S0212-16112017000300647&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S0212-16112017000300647&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción:  algunos estudios han asociado el infrapeso materno con resultados perinatales adversos tales como aborto espontáneo, desprendimiento placentario, feto pequeño para edad gestacional, crecimiento intrauterino retardado y parto pretérmino.  Objetivos:  determinar si el infrapeso materno al inicio de la gestación influye sobre la forma de inicio y vía del parto, peso al nacer, índice de Apgar al minuto 5 y edad gestacional en el momento del parto.  Métodos:  estudio de cohortes retrospectivo en gestantes adscritas al Hospital Universitario de Puerto Real. Periodo de estudio: 2002-2011. Grupo de estudio: infrapeso al inicio de la gestación (índice de masa corporal [IMC] &lt; 18,5); grupo control: IMC normal al inicio de la gestación (18,5-24,9). Analizamos el riesgo (OR) de inducción de parto, cesárea, bajo peso al nacer, macrosomía, Apgar a los 5' &lt; 7 y parto pretérmino.  Resultados:  la prevalencia de infrapeso fue del 2,5% frente al 58,9% de gestantes que presentaron un IMC normal. No encontramos diferencias significativas en la tasa de inducción de parto, macrosomía fetal, Apgar a los 5' &lt; 7 ni parto pretérmino. El infrapeso materno se asoció a una disminución en el riesgo de cesárea (OR ajustada 0,45; IC 95% 0,22-0,89) y a un riesgo aumentado de presentar recién nacido pequeño para su edad gestacional (OR ajustada 1,74; IC 95% 1,05-2,90).  Conclusiones:  el infrapeso materno al inicio de la gestación se asocia a una menor probabilidad de que el parto finalice mediante la realización de una cesárea y a un mayor riesgo de que el recién nacido presente un peso al nacer por debajo del percentil 10.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction:  Some studies have linked maternal underweight with adverse perinatal outcomes such as spontaneous abortion, abruptio placentae, small for gestational age newborn, intrauterine growth retardation and preterm birth.  Objective:  To determine the influence of maternal underweight in the onset of labor, route of delivery, birth weight, Apgar score and preterm birth.  Methods:  Retrospective cohort study. We included pregnant women from the Hospital Universitario de Puerto Real. Period of study: 2002-2011. Study group: underweight at the beginning of gestation (BMI &lt; 18.5 kg/m2). Control group: pregnant women with normal body mass index (BMI) at the beginning of gestation (18.5-24.9 kg/m2). The risk (OR) of induction of labor, cesarean section, small for gestational age newborn, macrosomia, 5' Apgar score &lt; 7, and preterm birth was calculated.  Results:  The prevalence of underweight was 2.5% versus 58.9% of pregnant women who had a normal BMI. We found no significant differences in the rate of induction of labor, fetal macrosomia, Apgar at 5' &lt; 7 or preterm delivery. Maternal underweight was associated with a decreased risk of caesarean section (adjusted OR 0.45, 95% CI 0.22 to 0.89) and an increased risk of small for gestational age newborn (adjusted OR 1.74; 95% CI 1.05 to 2.90).  Conclusions:  Maternal underweight at the start of pregnancy is associated with a lower risk of caesarean section and a greater risk of small for gestational age newborns (birth weight &lt; P10).]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Infrapeso]]></kwd>
<kwd lng="es"><![CDATA[Índice de masa corporal]]></kwd>
<kwd lng="es"><![CDATA[Inducción de parto]]></kwd>
<kwd lng="es"><![CDATA[Cesárea]]></kwd>
<kwd lng="es"><![CDATA[Peso al nacer]]></kwd>
<kwd lng="es"><![CDATA[Parto pretérmino]]></kwd>
<kwd lng="en"><![CDATA[Underweight]]></kwd>
<kwd lng="en"><![CDATA[Body mass index]]></kwd>
<kwd lng="en"><![CDATA[Induced labor]]></kwd>
<kwd lng="en"><![CDATA[Cesarean section]]></kwd>
<kwd lng="en"><![CDATA[Birth weight]]></kwd>
<kwd lng="en"><![CDATA[Premature labor]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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