<?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>2007-5057</journal-id>
<journal-title><![CDATA[Investigación en educación médica]]></journal-title>
<abbrev-journal-title><![CDATA[Investigación educ. médica]]></abbrev-journal-title>
<issn>2007-5057</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Medicina]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2007-50572025000200089</article-id>
<article-id pub-id-type="doi">10.22201/fm.20075057e.2025.54.24640</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Intervención educativa en línea para aumentar el conocimiento de anticonceptivos hormonales en estudiantes adolescentes]]></article-title>
<article-title xml:lang="en"><![CDATA[An online educational intervention to increase hormonal contraceptives knowledge among medical students]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mota Sánchez]]></surname>
<given-names><![CDATA[Arely Anayeli]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guevara-Guzmán]]></surname>
<given-names><![CDATA[Rosalinda]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escamilla-Santiago]]></surname>
<given-names><![CDATA[Ricardo Antonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Díaz-Olavarrieta]]></surname>
<given-names><![CDATA[Claudia Amelia]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Aburto-Arciniega]]></surname>
<given-names><![CDATA[Mónica Beatriz]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Departamento de Salud Pública]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Departamento de Fisiología]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Departamento de Salud Pública]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina Departamento de Psiquiatría y Salud Mental]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Nacional Autónoma de México Facultad de Medicina División de Investigación]]></institution>
<addr-line><![CDATA[Ciudad de México ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2025</year>
</pub-date>
<volume>14</volume>
<numero>54</numero>
<fpage>89</fpage>
<lpage>96</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S2007-50572025000200089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S2007-50572025000200089&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S2007-50572025000200089&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen  Introducción  El embarazo en adolescentes es un grave problema de salud pública que se encuentra asociado a la falta de conocimientos en el uso de anticonceptivos. Existe la necesidad de intervenciones educativas sobre el uso de anticonceptivos hormonales, de las cuales, la modalidad en línea es una opción pertinente.  Objetivo . Desarrollar e implementar el curso en línea &#8220;Uso de anticonceptivos hormonales&#8221;, en estudiantes adolescentes y determinar su efecto en el aprendizaje.  Método . Se diseñó un curso en línea que incluyó los temas de aparato reproductor femenino, ciclo sexual y anticonceptivos hormonales, y se evaluó el conocimiento con 2 instrumentos de opción múltiple; el primero se utilizó como evaluación pre-post y el segundo para seguimiento, y fueron aplicados en un grupo en estudiantes adolescentes del primer año de la carrera de medicina, en una universidad pública en México, en el año 2021.  Resultados . Participaron 108 estudiantes (pre-post), 75% mujeres y 25% hombres, con un promedio de edad de 18 años. Los estudiantes aumentaron su puntaje en la evaluación pre-post (17-21 a 22-27 aciertos) y disminuye en el seguimiento (20-24 aciertos), con diferencias estadísticamente significativas según la prueba t (p&lt;0.001). Con la prueba de rangos de Friedman se obtuvo una media para el Instrumento I, de 2.79; para el instrumento II, de 1.32 y para el de segumiento, de 1.89. Se observaron diferencias entre al menos dos grupos (Chi2 33.98, df 2, p&lt;0.001). El análisis post hoc confirmó diferencias significativas entre las evaluaciones pre y post y seguimiento (p&lt;0.001); aunque el puntaje desciende a los tres meses.  Conclusiones  La implementación de este tipo de intervenciones educativas con resultados sólidos, es suficiente para justificar su desarrollo e implementación.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract:  Introduction  Adolescent pregnancy is a serious public health concern that is associated with a lack of knowledge regarding proper and consistent contraceptive use. There is a need for educational interventions on the use of hormonal contraceptives, of which the online modality is a feasible option.  Objective  To develop and implement an online course entitled "Use of hormonal contraceptives" among adolescent students and determine its effect on learning.  Method  An online course was developed that included the following topics: the female reproductive system, the sexual cycle, and hormonal contraceptives. Knowledge was measured administering two multiple-choice tests. In 2021 we fielded a quasi-experimental pre-post study with a single group (adolescent students) enrolled in their first year of medical school attending a public university in Mexico.  Results  For the pre-post, 108 students participated, 75% women and 25% men, with an average age of 18 years. The students increased their score in the pre-post evaluation (17-21 to 22-27 correct answers) and decreased in the follow-up (20-24 correct answers), with statistically significant differences according to the t test (p&lt;0.001). With the Friedman rank test, a mean for Instrument I was obtained, of 2.79; for instrument II, 1.32 and for the monitoring instrument, 1.89. Differences were observed between at least two groups (Chi2 33.98, df 2, p&lt;0.001). The post hoc analysis confirmed significant differences between the pre and post evaluations and follow-up (p&lt;0.001); although the score decreases after three months.  Conclusions  The implementation of this type of educational interventions with solid results is sufficient to justify its development and implementation.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Embarazo adolescente]]></kwd>
<kwd lng="es"><![CDATA[sexualidad]]></kwd>
<kwd lng="es"><![CDATA[educación sexual]]></kwd>
<kwd lng="es"><![CDATA[México]]></kwd>
<kwd lng="en"><![CDATA[Teen pregnancy]]></kwd>
<kwd lng="en"><![CDATA[sexuality]]></kwd>
<kwd lng="en"><![CDATA[sexuality education]]></kwd>
<kwd lng="en"><![CDATA[Mexico]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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