<?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>0138-6557</journal-id>
<journal-title><![CDATA[Revista Cubana de Medicina Militar]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cub Med Mil]]></abbrev-journal-title>
<issn>0138-6557</issn>
<publisher>
<publisher-name><![CDATA[Centro Nacional de Información de Ciencias MédicasEditorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0138-65572020000200006</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Estrés durante el embarazo como factor de riesgo para el bajo peso del recién nacido]]></article-title>
<article-title xml:lang="en"><![CDATA[Stress during pregnancy as a risk factor for low weight in the newborn]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar-Aguilar]]></surname>
<given-names><![CDATA[Shirley]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Barja-Ore]]></surname>
<given-names><![CDATA[John]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Cerda-Sanchez]]></surname>
<given-names><![CDATA[Mayra]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Mayor de San Marcos  ]]></institution>
<addr-line><![CDATA[Lima ]]></addr-line>
<country>Peru</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>49</volume>
<numero>2</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0138-65572020000200006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0138-65572020000200006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0138-65572020000200006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: El estrés en la gestación es un problema de salud mental que puede incrementar el riesgo de las complicaciones maternas y perinatales.  Objetivo: Determinar si el estrés durante el embarazo es un factor de riesgo para el bajo peso en el recién nacido.  Métodos: Estudio no experimental, analítico de casos y controles, desarrollado en el Hospital San Juan de Lurigancho, en el 2019. En el grupo caso se incluyeron a 37 recién nacidos con peso menor de 2500 g, y en el grupo control, a 74 recién nacidos con peso entre 2500 y 3999 g. Se utilizaron las pruebas estadísticas chi cuadrado, odds ratio (OR) y sus intervalos de confianza al 95 %, y la de U de Mann Whitney.  Resultados: El 43,3 % de los recién nacidos con bajo peso tuvieron una madre de 18 a 24 años y 91,9 % tuvo una madre que era ama de casa. El estado actual emocional fue más estresante en las madres de un recién nacido con bajo peso (x= 2,38 ± 1,3; p&lt; 0,001), del mismo modo con los problemas relacionados al trabajo (x= 1,73 ± 1,3; p= 0,004). El estrés materno durante el embarazo se asoció al bajo peso del recién nacido. [p= 0,003; OR= 5,6; IC95 % = 1,6 - 19,7].  Conclusiones: El estrés materno es un factor de riesgo significativo para presentar bajo peso en el recién nacido, que eleva casi 6 veces la probabilidad de padecer esta complicación frente a la exposición del estrés.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  Stress in pregnancy is a mental health problem that can increase the risk of maternal and perinatal complications.  Objective:  Determine if stress during pregnancy is a risk factor for low weight in the newborn.  Methods: Non-experimental, analytical case-control study, carried out at the San Juan de Lurigancho Hospital, Peru in 2019. In the case group, 37 newborns weighing less than 2500 gr. were included, and in the control group, to 74 newborns weighing between 2500 and 3999 gr. The chi-square statistical tests, odds ratio (OR) and their 95% confidence intervals, and Mann Whitney's U test were used.  Results: 43.3% of newborns with low weight had a mother aged 18 to 24 years and 91.9% had a mother who was a housewife. The current emotional state was more stressful in mothers of newborn underweight (x=2.38 ± 1.3; p&lt;0.001), in the same way with the problems related to work (x=1.73 ± 1.3; p=0.004). Maternal stress during pregnancy was associated with the low weight of the newborn. [p=0.003; OR=5.6; 95 % CI =1.6 - 19.7].  Conclusions: Maternal stress is a significant risk factor for presenting low weight in the newborn, which increases the probability of suffering this complication almost 6 times compared to exposure to stress.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[estrés psicológico]]></kwd>
<kwd lng="es"><![CDATA[embarazo]]></kwd>
<kwd lng="es"><![CDATA[recién nacido de bajo peso]]></kwd>
<kwd lng="es"><![CDATA[factores de riesgo]]></kwd>
<kwd lng="en"><![CDATA[stress]]></kwd>
<kwd lng="en"><![CDATA[psychological]]></kwd>
<kwd lng="en"><![CDATA[pregnancy]]></kwd>
<kwd lng="en"><![CDATA[infant]]></kwd>
<kwd lng="en"><![CDATA[low birth weight]]></kwd>
<kwd lng="en"><![CDATA[risk factors]]></kwd>
</kwd-group>
</article-meta>
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