<?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>0121-4500</journal-id>
<journal-title><![CDATA[Avances en Enfermería]]></journal-title>
<abbrev-journal-title><![CDATA[av.enferm.]]></abbrev-journal-title>
<issn>0121-4500</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0121-45002018000200153</article-id>
<article-id pub-id-type="doi">10.15446/av.enferm.v36n2.66822</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Las semanas de gestación como factor asociado a la práctica de la lactancia materna inmediata]]></article-title>
<article-title xml:lang="pt"><![CDATA[As semanas de gestação como fator associado à prática da amamentação materna imediata]]></article-title>
<article-title xml:lang="en"><![CDATA[Gestation weeks as an associated factor to the practice of immediate breastfeeding]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Patiño Suárez]]></surname>
<given-names><![CDATA[Jeyma Talía]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Campos-Uscanga]]></surname>
<given-names><![CDATA[Yolanda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma de Puebla  ]]></institution>
<addr-line><![CDATA[Puebla ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Veracruzana  ]]></institution>
<addr-line><![CDATA[Veracruz ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2018</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2018</year>
</pub-date>
<volume>36</volume>
<numero>2</numero>
<fpage>153</fpage>
<lpage>160</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0121-45002018000200153&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0121-45002018000200153&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0121-45002018000200153&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción: Iniciar la lactancia tempranamente es crucial para aprovechar el periodo sensitivo del recién nacido y la cascada hormonal materna inmediata al posparto, que en conjunto favorecen la continuidad de la lactancia durante el desarrollo del niño. Sin embargo, existen factores que pueden afectar la realización de la lactancia materna inmediata (LMI) con consecuencias que afectan la salud.  Objetivo: Determinar si existe relación entre la LMI y las características del control prenatal, del parto y de tipo socioeconómico.  Método: Estudio de casos y controles. Se aplicaron encuestas a mujeres con hijos entre 6 y 24 meses de edad. El muestreo fue no probabilistico. Se compararon las medias a través de la t de student, se buscaron asociaciones a través de correlación de Spearman y Odds ratio.  Resultados: Las semanas de gestación (SDG) tuvieron una media inferior en el grupo de mujeres que realizaron LMI (p = 0,023). Las mujeres con mayores ingresos económicos tuvieron menor realización de LMI [Rho= -0,28 (p &lt; 0,05)] y a menos SDG aumenta la práctica de LMI [Rho= -0,35 (p &lt; 0,05)]. Nacer con más de 38 SDG se relaciona con menor realización de LMI [OR = 0,16 (IC 0,04-0,064)].  Conclusión: Mientras que el menor ingreso económico y escolaridad de la madre se relacionan con menor práctica de LMI, cuando el parto se da antes de las 38 SDG la probabilidad aumenta.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução: Iniciar o aleitamento materno precocemente e crucial para aproveitar o periodo sensitivo do recem-nascido e a cascata hormonal materna imediata apos o parto, que juntos favorecem a continuidade do aleitamento materno durante o desenvolvimento da crianca. No entanto, existem fatores que podem afetar o desempenho do aleitamento materno imediato (AMI) com consequencias negativas para a saude.  Objetivo: Determinar se existe uma relacao entre ami, fatores natais, controle pre-natal e características socioeconomicas.  Método: Estudo de caso e controle. Foram aplicados questionarios a mulheres com filhos entre 6 e 24 meses de idade. A amostragem foi a conveniencia. Estimaram-se as medias atraves de t de Student e os coeficientes de correlacao de Spearman e Odds ratio.  Resultados: As semanas de gestacao (SDG) tiveram uma media inferior no grupo de mulheres que fizeram AMI p = 0,023. Mulheres com rendimentos mais elevados tiveram menor propensao a AMI [Rho = -0,28 (p &lt; 0,05)]; a menos SDG aumenta a probabilidade de AMI [Rho = -0,35 (p &lt; 0,05)]. Nascimento antes de 38 SDG promove a AMI [OR = 0,16 (IC 0,04-0,064)].  Conclusões: Enquanto o menor nivel economico e escolaridade da mae estao relacionados a menor pratica de ami, quando o parto ocorre antes de 38 SDG, essa probabilidade aumenta.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Introduction: Early initiation of breastfeeding is crucial to take advantage of the sensitive period of the newborn and the maternal hormonal cascade immediately after birth, which together stimulate the continuity of breastfeeding during the child&#8217;s development. However, there are factors that may affect the practice of immediate breastfeeding (IB) with negative consequences for health.  Objective: To Establish whether there is a relationship between IB, birth, prenatal care and socio-demographic factors.  Method: A case-control study was conducted. Surveys were applied to women with children aged 6 to 24 months. Convenience sampling was used. The averages were calculated under t Student´s test, the Spearman correlation coefficients and odds ratio.  Results: The gestation weeks (GW) had a lower average in the group of women who practiced IB (p = 0.023). Women with higher incomes were less likely to IB [Rho = -0.28 (p &lt; 0.05)]; unless GW increases the likelihood of IB [Rho =-0.35 (p &lt; 0.05)] It was found that birth before 38 GW favors the practice of IB [or = 0.16 (ci 0.04 to 0.64)].  Conclusion: even considering that mothers&#8217; low economic and educational level by mothers are related to less IB practice, when the birth occurs before 38 GW this probability increases.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Recien Nacido Prematuro]]></kwd>
<kwd lng="es"><![CDATA[Lactancia Materna]]></kwd>
<kwd lng="es"><![CDATA[Atención Prenatal]]></kwd>
<kwd lng="es"><![CDATA[Enfermeras Obstetrices (fuente: DeCS, BIREME)]]></kwd>
<kwd lng="pt"><![CDATA[Aleitamento Materno]]></kwd>
<kwd lng="pt"><![CDATA[Cuidado Pre-natal]]></kwd>
<kwd lng="pt"><![CDATA[Enfermeiras Obstetricas]]></kwd>
<kwd lng="pt"><![CDATA[Recem-Nascido Prematuro (fonte: DeCS, BIREME)]]></kwd>
<kwd lng="en"><![CDATA[Infant Premature]]></kwd>
<kwd lng="en"><![CDATA[Breastfeeding]]></kwd>
<kwd lng="en"><![CDATA[Prenatal Care]]></kwd>
<kwd lng="en"><![CDATA[Nurse Midwives (source: DeCS, BIREME)]]></kwd>
</kwd-group>
</article-meta>
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