<?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>1684-1824</journal-id>
<journal-title><![CDATA[Revista Médica Electrónica]]></journal-title>
<abbrev-journal-title><![CDATA[Rev.Med.Electrón.]]></abbrev-journal-title>
<issn>1684-1824</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de Matanzas]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1684-18242023000400675</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Defectos congénitos: de la embriogénesis a la prevención]]></article-title>
<article-title xml:lang="en"><![CDATA[Birth defects: from embryogenesis to prevention]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Rodríguez-Acosta]]></surname>
<given-names><![CDATA[Yasmín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Almeida-Campos]]></surname>
<given-names><![CDATA[Santiago]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Blanco-Pereira]]></surname>
<given-names><![CDATA[María Elena]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Ciencias Médicas de Matanzas  ]]></institution>
<addr-line><![CDATA[ Matanzas]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2023</year>
</pub-date>
<volume>45</volume>
<numero>4</numero>
<fpage>675</fpage>
<lpage>690</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1684-18242023000400675&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1684-18242023000400675&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1684-18242023000400675&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Los defectos congénitos constituyen causa de discapacidad física, psíquica y social, con un impacto en el incremento de los indicadores de morbilidad y mortalidad infantil. Pueden ser prevenibles en el nivel primario o preconcepcional. Con el objetivo de sistematizar los referentes teóricos relacionados con la embriogénesis de los defectos congénitos en función de su prevención, se realizó una búsqueda sobre el tema, consultándose 29 referencias bibliográficas. Se abordaron generalidades del desarrollo ontogénico, aspectos históricos de los defectos congénitos, su embriogénesis, etiología y definición. Asimismo, la prevención como estrategia de intervención en salud en diferentes niveles de actuación aplicados a los defectos congénitos. La etapa prenatal de la ontogenia -la más significativa- se divide a su vez en tres subetapas: la preembrionaria, la embrionaria y la fetal. La embrionaria, que transita entre la segunda y la octava semanas del desarrollo, es la más susceptible y vulnerable, y por tanto es el momento en el que, con mayor frecuencia, acontecen los errores en la embriogénesis, lo cual se traduce en el producto como un defecto congénito. La etiología de estos desórdenes de la ontogenia, obedece a factores genéticos, ambientales y multifactoriales. Existen tres niveles de prevención: preconcepcional, prenatal y posnatal; en el primero, se ponen en práctica diferentes acciones, y resulta vital la contribución de los médicos de la atención primaria de salud.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Birth defects cause physical, mental and social disabilities, with an impact on the increase of infantile morbidity and mortality indicators. They may be preventable at primary or preconception level. In order of systematize the theoretical references related to the embryogenesis of birth defects in function of their prevention, a search was carried out on the topic, consulting 29 bibliographic references. Generalities of ontogenic development, historical aspects of birth defects, their embryogenesis, etiology and definition are addressed. Also, prevention as strategy of health intervention at different levels of action applied to birth defects. The prenatal stage of ontogeny -the most significant one- is in turn divided into three sub-stages: pre-embryonic, embryonic, and fetal. The embryonic one, which passes between the second and eight weeks of development, is the most susceptible and vulnerable, and therefore it is the time when, most often, errors in embryogenesis occur, which translates into the product as a birth defect. The etiology of these ontogeny disorders is due to genetic, environmental and multifactorial factors. There are three prevention levels: pre-conceptional, pre-natal and post-natal; in the first, different actions are put into practice, and the contribution of the primary health care physicians is vital.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[defectos congénitos]]></kwd>
<kwd lng="es"><![CDATA[embriogénesis]]></kwd>
<kwd lng="es"><![CDATA[prevención]]></kwd>
<kwd lng="en"><![CDATA[birth defects]]></kwd>
<kwd lng="en"><![CDATA[embryogenesis]]></kwd>
<kwd lng="en"><![CDATA[prevention]]></kwd>
</kwd-group>
</article-meta>
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