<?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>0138-600X</journal-id>
<journal-title><![CDATA[Revista Cubana de Obstetricia y Ginecología]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cubana Obstet Ginecol]]></abbrev-journal-title>
<issn>0138-600X</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ciencias Médicas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0138-600X2019000300013</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Insuficiencia cervical y prolapso de bolsa amniótica &#8220;en reloj de arena&#8221;en gestante pretérmino]]></article-title>
<article-title xml:lang="en"><![CDATA[Cervical Insufficiency and Prolapse of an "Hourglass" Amniotic Sac in Preterm Pregnant Women]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fontán Atalaya]]></surname>
<given-names><![CDATA[Isabel María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Tato Varela]]></surname>
<given-names><![CDATA[Sara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[PereaCruz]]></surname>
<given-names><![CDATA[Almudena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández Torres]]></surname>
<given-names><![CDATA[Bartolomé]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Dueñas Díez]]></surname>
<given-names><![CDATA[José Luis]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Hospital Universitario Virgen Macarena  ]]></institution>
<addr-line><![CDATA[Sevilla ]]></addr-line>
<country>España</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Sevilla Departamento de Obstetricia y Ginecología ]]></institution>
<addr-line><![CDATA[Sevilla ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<volume>45</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S0138-600X2019000300013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S0138-600X2019000300013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S0138-600X2019000300013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción:  La insuficiencia cervical se concibe hoy día como un proceso biológico continuo con grados progresivos de insuficiencia. La expresión más extrema de la insuficiencia cervical se conoce como "bolsa en reloj de arena". La mayoría de los autores están de acuerdo en recomendar el reposo en cama y realizar cerclaje cervical de emergencia.  Objetivo:  Presentar el caso de una gestante en la que se logró la reversión del prolapso de las membranas amnióticas en &#8220;reloj de arena&#8221; con buenos resultados perinatales.  Presentación de caso:  Paciente de 31 años con antecedentes de parto anterior a las 36,5 semanas, que en los momentos actuales cursa una gestación de 20,6 semanas. Acude a la consulta por dolor en hipogastrio y al examen físico se comprueba que la bolsa amniótica protruye por el orificio cervical externo y presenta una dilatación cervical de 2 cm. Se aplica tratamiento medicamentoso y se reduce el prolapso de la bolsa.  Conclusiones:  Con el tratamiento conservador se logró una buena evolución de la gestación, con parto eutócico y buenos resultados perinatales.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Cervical insufficiency is conceived today as a continuous biological process with progressive degrees of insufficiency. The most extreme expression of cervical insufficiency is known as "hourglass bag". Most authors agree to recommend bed rest and perform emergency cervical cerclage.  Objective:  To report the case of a pregnant woman in whom the prolapse reversal of the amniotic membranes in hourglass was achieved with good perinatal results.  Case report:  A 31-year-old patient who is currently pregnant at 20.6 weeks and has history of childbirth prior to 36.5 weeks. She comes to the consultation complaining of pain in hypogastrium. The physical examination shows that the amniotic sac protrudes through the external cervical orifice and there is 2cm cervical dilation. Drug treatment is applied and the prolapse of the sac is reduced.  Conclusions:  The conservative treatment achieved good evolution of the gestation, with eutócico childbirth and good perinatal results.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[insuficiencia cervical]]></kwd>
<kwd lng="es"><![CDATA[bolsa en reloj de arena]]></kwd>
<kwd lng="es"><![CDATA[membranas prolapsadas]]></kwd>
<kwd lng="es"><![CDATA[cerclaje emergente]]></kwd>
<kwd lng="es"><![CDATA[progesterona]]></kwd>
<kwd lng="en"><![CDATA[cervical insufficiency]]></kwd>
<kwd lng="en"><![CDATA[hourglass bag]]></kwd>
<kwd lng="en"><![CDATA[prolapsed membranes]]></kwd>
<kwd lng="en"><![CDATA[emerging cerclage]]></kwd>
<kwd lng="en"><![CDATA[progesterone]]></kwd>
</kwd-group>
</article-meta>
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