<?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>2529-850X</journal-id>
<journal-title><![CDATA[Journal of Negative and No Positive Results]]></journal-title>
<abbrev-journal-title><![CDATA[JONNPR]]></abbrev-journal-title>
<issn>2529-850X</issn>
<publisher>
<publisher-name><![CDATA[Research and Science S.L.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2529-850X2020001200009</article-id>
<article-id pub-id-type="doi">10.19230/jonnpr.3979</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Alteraciones y efectos del sueño durante el embarazo]]></article-title>
<article-title xml:lang="en"><![CDATA[Sleep disorders during pregnancy]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aguilar Cordero]]></surname>
<given-names><![CDATA[María José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fajardo Gaitán]]></surname>
<given-names><![CDATA[María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pérez Castillo]]></surname>
<given-names><![CDATA[Íñigo María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rojas Carvajal]]></surname>
<given-names><![CDATA[Ana María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Latorre García]]></surname>
<given-names><![CDATA[Julio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Núñez Negrillo]]></surname>
<given-names><![CDATA[Ana María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Granada. Facultad de Ciencias de la Salud Departamento de enfermería]]></institution>
<addr-line><![CDATA[Granada ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Hospital Virgen del Valle Grupo de investigación CTS 367 (PAI) ]]></institution>
<addr-line><![CDATA[Toledo ]]></addr-line>
<country>España</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2020</year>
</pub-date>
<volume>5</volume>
<numero>12</numero>
<fpage>1558</fpage>
<lpage>1574</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_arttext&amp;pid=S2529-850X2020001200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_abstract&amp;pid=S2529-850X2020001200009&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.isciii.es/scielo.php?script=sci_pdf&amp;pid=S2529-850X2020001200009&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción. El embarazo es un proceso fisiológico que produce alteraciones en los patrones del sueño. A nivel fisiológico la falta de sueño se relaciona con problemas de salud tales como hipertensión, enfermedad coronaria, diabetes y depresión. En el embarazo, las alteraciones del sueño son más frecuentes siendo su prevalencia mayor durante el tercer trimestre. La deprivación del mismo durante el embarazo empeora significantemente las condiciones preexistentes de la mujer disminuyendo la actividad física diaria, la productividad y aumentando los síntomas relacionados con el estrés. Las alteraciones del sueño en el embarazo se pueden relacionar con comorbilidad en el recién nacido y resultados adversos materno-fetales.  Objetivos. Determinar qué alteraciones del sueño ocurren durante el embarazo, cuáles son sus causas y qué posibles consecuencias podría tener el déficit de sueño durante la gestación a nivel materno-fetal y neonatal.  Metodología. Se llevó a cabo una revisión sistemática siguiendo los principios de la declaración PRISMA. Se recogieron tanto estudios observacionales como de intervención así como revisiones sistemáticas y meta-análisis y se llevó a cabo un análisis crítico de los resultados.  Resultados y discusión. Se incluyeron finalmente un total de 19 artículos que trataban sobre los efectos de las alteraciones del sueño en los resultados materno-fetales y neonatales y sus causas. Las principales causas de las alteraciones del sueño son los cambios hormonales y fisiológicos propios del embarazo como es el aumento de peso que se hacen más prevalentes conforme progresa la gestación. Las consecuencias maternas engloban principalmente trastornos respiratorios, alteraciones cardiovasculares e inflamatorias y resultados adversos del embarazo como es la cesárea. Los resultados adversos en el recién nacido más estudiados son partos prematuros y recién nacidos con bajo peso para la edad gestacional.  Conclusión. Con este trabajo se observa que existe una relación entre los trastornos del sueño durante el embarazo y los problemas materno -fetales. Sin embargo, los estudios llevados a cabo hasta la fecha son heterogéneos, emplean herramientas subjetivas y sus conclusiones resultan en ocasiones contradictorias.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction. Pregnancy is a physiologic stage of the women that modifies sleep patterns. Sleep deprivation is associated with pathologies namely hypertensive disorders, coronary artery disease, diabetes and depression. Amongst pregnant women sleep disorders are more frequent being its prevalence higher during the third trimester of gestation. Furthermore, sleep deprivation worsens previous conditions such as low degree of physical activity, productivity and increases stress-related symptoms. Sleep disorders could be associated with comorbidities in the newborn as well as pregnancy/perinatal adverse outcomes.  Objectives. To determine which sleep disorders are associated with pregnancy, their causes and the potential effects that sleep deprivation could exert on pregnancy outcomes and the newborn.  Methodology: We conducted a systematic review following the PRISMA statement. Observational, interventional and systematic reviews/meta-analyses were included and a critical analysis of the results was performed.  Results and discussion. 19 papers about sleep disorders and pregnancy/perinatal outcomes were finally included. Mains causes of sleep disorders during pregnancy consisted of hormonal changes and weight gain which are more prevalent as gestation progresses. Maternal outcomes associated to sleep disorders comprised respiratory, cardiovascular and inflammatory disorders along with pregnancy adverse outcomes namely caesarean section. Main perinatal adverse outcomes were preterm delivery and small for gestational age.  Conclusion: We observed an association between sleep disorders during gestation, pregnancy and perinatal adverse outcomes. However, studies conducted to date are heterogeneous and they tend to use subjective tools to assess sleep patterns being results occasionally inconclusive or contradictory.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[embarazo]]></kwd>
<kwd lng="es"><![CDATA[alteraciones del sueño]]></kwd>
<kwd lng="es"><![CDATA[PRISMA]]></kwd>
<kwd lng="es"><![CDATA[revisión sistemática]]></kwd>
<kwd lng="es"><![CDATA[resultados del embarazo]]></kwd>
<kwd lng="en"><![CDATA[pregnancy]]></kwd>
<kwd lng="en"><![CDATA[sleep disorders]]></kwd>
<kwd lng="en"><![CDATA[PRISMA]]></kwd>
<kwd lng="en"><![CDATA[systematic review]]></kwd>
<kwd lng="en"><![CDATA[pregnancy outcomes]]></kwd>
</kwd-group>
</article-meta>
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