<?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>1028-9933</journal-id>
<journal-title><![CDATA[Revista Información Científica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. inf. cient.]]></abbrev-journal-title>
<issn>1028-9933</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas Guantánamo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1028-99332021000600004</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Bases informacionales para el estudio morfométrico de placentas en embarazos gemelares]]></article-title>
<article-title xml:lang="en"><![CDATA[Informational foundations for the morphometric study of placentas in twin pregnancies]]></article-title>
<article-title xml:lang="pt"><![CDATA[Bases informativas para o estudo morfométrico de placentas em gestações gemelares]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Núñez]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Alarcón]]></surname>
<given-names><![CDATA[Beatriz María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Izaguirre-Remón]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alarcón-Zamora]]></surname>
<given-names><![CDATA[Dielvis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de Granma  ]]></institution>
<addr-line><![CDATA[ Granma]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Granma  ]]></institution>
<addr-line><![CDATA[ Granma]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Hospital Clínico Quirúrgico Docente "Celia Sánchez Manduley" de Manzanillo  ]]></institution>
<addr-line><![CDATA[ Granma]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2021</year>
</pub-date>
<volume>100</volume>
<numero>6</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1028-99332021000600004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1028-99332021000600004&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1028-99332021000600004&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  En Cuba existen muy pocos estudios morfofuncionales de placentas procedentes de embarazos gemelares que permitan establecer un patrón morfométrico general. Implementar estas bases informacionales contribuiría a perfeccionar las acciones del Programa Nacional de Salud Sexual y Reproductiva en el país.  Objetivo:  Sistematizar información sobre estudios morfométricos en placentas gemelares para construir la base epistémica de la caracterización del patrón morfométrico de las placentas gemelares y su relación con la corionicidad, la función de este órgano y el grado de bienestar fetal y neonatal.  Método:  Se aplicó una estrategia de búsqueda en el período enero de 2020 hasta abril de 2021, en bases de datos internacionales (Medline, EMBASE, LILACS, Scopus, Google Académico) para la revisión bibliográfica, mediante la utilización del método de análisis y crítica de las fuentes desde el procedimiento de análisis de contenido. Se empleó un algoritmo para la toma de decisiones en torno a la pertinencia, actualidad novedad y aportes.  Resultados:  Se hallaron 16 fuentes bibliográficas sobre el tema de investigación, entre ellas: solo una tesis (6,25 %) y 4 textos editados (25 %). Predominaron los artículos científicos (68,75 %) de los últimos cinco años (93,75 %). Todas las fuentes contribuyeron a la construcción de los referentes teóricos.  Conclusiones:  El estudio morfométrico de la placenta en embarazos gemelares es un área insuficientemente desarrollada en el conocimiento de las ciencias básicas biomédicas, dada la escasa producción bibliográfica sobre el tema.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  In Cuba there are very few morphofunctional studies of placentas from twin pregnancies that allow establishing a general morphometric pattern. Implementing these informational databases would help to improve the actions of the National Sexual and Reproductive Health Program in the country.  Objective:  To systematize information on morphometric studies in twin placentas to build the epistemic basis for the characterization of the morphometric pattern of twin placentas and its relationship with chorionicity, the function of this organ and the degree of fetal and neonatal well-being.  Method:  A search strategy was applied in the period January 2020 to April 2021, in international databases (Medline, EMBASE, LILACS, Scopus, Google Scholar) for the bibliographic review, using the analysis and criticism method. of the sources from the content analysis procedure. An algorithm was used to make decisions about relevance, news, news and contributions.  Results:  16 bibliographic sources were found on the research topic, among them: only one thesis (6.25%) and 4 edited texts (25.0%). Scientific articles (68.75%) from the last five years (93.75%) predominated. All the sources contributed to the construction of the theoretical referents.  Conclusions:  The morphometric study of the placenta in twin pregnancies is an insufficiently developed area in the knowledge of basic biomedical sciences, given the scarce bibliographic production on the subject.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[RESUMO  Introdução:  Em Cuba existem poucos estudos morfofuncionais de placentas de gestações gemelares que permitam estabelecer um padrão morfométrico geral. A implementação desses bancos de dados informativos ajudaria a melhorar as ações do Programa Nacional de Saúde Sexual e Reprodutiva no país.  Objetivo:  Sistematizar informações sobre estudos morfométricos em placentas gêmeas para construir a base epistêmica para a caracterização do padrão morfométrico de placentas gêmeas e sua relação com a corionicidade, a função desse órgão e o grau de bem-estar fetal e neonatal.  Método:  Foi aplicada uma estratégia de busca no período de janeiro de 2020 a abril de 2021, em bases de dados internacionais (Medline, EMBASE, LILACS, Scopus, Google Scholar) para a revisão bibliográfica, utilizando o método de análise e crítica das fontes da análise de conteúdo procedimento. Um algoritmo foi usado para tomar decisões sobre relevância, notícias, notícias e contribuições.  Resultados:  Foram encontradas 16 fontes bibliográficas sobre o tema da pesquisa, entre elas: apenas uma tese (6,25%) e 4 textos editados (25,0%). Predominaram artigos científicos (68,75%) dos últimos cinco anos (93,75%). Todas as fontes contribuíram para a construção dos referentes teóricos.  Conclusões:  O estudo morfométrico da placenta em gestações gemelares é uma área pouco desenvolvida no conhecimento das ciências biomédicas básicas, dada a escassa produção bibliográfica sobre o assunto.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[información]]></kwd>
<kwd lng="es"><![CDATA[embarazo gemelar]]></kwd>
<kwd lng="es"><![CDATA[placenta]]></kwd>
<kwd lng="es"><![CDATA[corionicidad]]></kwd>
<kwd lng="es"><![CDATA[estudio morfométrico]]></kwd>
<kwd lng="en"><![CDATA[information]]></kwd>
<kwd lng="en"><![CDATA[twin pregnancy]]></kwd>
<kwd lng="en"><![CDATA[placenta]]></kwd>
<kwd lng="en"><![CDATA[chorionicity]]></kwd>
<kwd lng="en"><![CDATA[morphometric study]]></kwd>
<kwd lng="pt"><![CDATA[informação]]></kwd>
<kwd lng="pt"><![CDATA[gravidez gemelar]]></kwd>
<kwd lng="pt"><![CDATA[placenta]]></kwd>
<kwd lng="pt"><![CDATA[chorionicidade]]></kwd>
<kwd lng="pt"><![CDATA[estudo morfométrico]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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