<?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>1683-9803</journal-id>
<journal-title><![CDATA[Pediatría (Asunción)]]></journal-title>
<abbrev-journal-title><![CDATA[Pediatr. (Asunción)]]></abbrev-journal-title>
<issn>1683-9803</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Paraguaya de Pediatría]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1683-98032024000200106</article-id>
<article-id pub-id-type="doi">10.31698/ped.51022024006</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Pubertad precoz en niñas en un hospital de referencia]]></article-title>
<article-title xml:lang="en"><![CDATA[Precocious puberty in girls at a reference hospital]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez]]></surname>
<given-names><![CDATA[Susana]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Blanco]]></surname>
<given-names><![CDATA[Fabiola]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Galeano]]></surname>
<given-names><![CDATA[Lizie]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jimenez]]></surname>
<given-names><![CDATA[Hassel Jimmy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Morel]]></surname>
<given-names><![CDATA[Zoilo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Médicas Cátedra de Pediatría]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Médicas Cátedra de Pediatría]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Médicas Cátedra de Pediatría]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Nacional de Asunción Facultad de Ciencias Médicas Cátedra de Pediatría]]></institution>
<addr-line><![CDATA[San Lorenzo ]]></addr-line>
<country>Paraguay</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>08</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>08</month>
<year>2024</year>
</pub-date>
<volume>51</volume>
<numero>2</numero>
<fpage>106</fpage>
<lpage>114</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_arttext&amp;pid=S1683-98032024000200106&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_abstract&amp;pid=S1683-98032024000200106&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.iics.una.py/scielo.php?script=sci_pdf&amp;pid=S1683-98032024000200106&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La pubertad precoz se define como la aparición progresiva de signos puberales a una edad por debajo de 2,5 desviaciones estándar (DE) de la media para una población determinada. Se carece a nivel nacional de estudios epidemiológicos sobre esta afección.  Objetivo: Determinar las características de la pubertad precoz para evaluar la edad de inicio de las características sexuales secundarias en una población de niñas menores de 8 años.  Materiales y Métodos: El presente estudio es de tipo observacional, descriptivo, retrospectivo, de corte transversal. La población incluyó niñas menores de 8 años, que consultaron en un hospital de referencia, durante el periodo de enero de 2017 a diciembre de 2021. Como variables se analizó la edad al inicio de los síntomas, edad a la consulta, escolaridad, procedencia, motivo de consulta, signos y síntomas, cambios en edad ósea, respuesta positiva a la prueba con GnRH y asociación etiológica con cambios hallados en la RMN cerebral y ecografía pélvica; así como el abordaje terapéutico.  Resultados: Ingresaron al estudio 48 pacientes de sexo femenino, menores de 8 años de edad. El inicio de los síntomas se presentó en promedio a los 5,4 +/- 2,27 años, siendo la edad de 6-7 años el 31,3% del total de pacientes. El diagnóstico predominante fue el de una pubertad precoz central y de las pruebas de estímulo con GnRH, el 68,8% resultaron positivas.  Conclusión:  La edad promedio de inicio del desarrollo puberal en este grupo de niñas fue 5 años, adelantado en relación a la literatura clásica, con etiología no conocida en la mayoría de los casos.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction: Precocious puberty is defined as the progressive appearance of pubertal signs at an age below 2.5 standard deviations (SD) from the mean for a given population. There is a lack of epidemiological studies on this condition in our country.  Objective: To determine the characteristics of precocious puberty and to evaluate the age of onset of secondary sexual characteristics in a population of girls under 8 years of age.  Materials and Methods: This was an observational, descriptive, retrospective and cross-sectional study. Population: girls under 8 years of age, who consulted at a referral hospital from January 2017 to December 2021. The variables analyzed were age at the onset of symptoms, age at consultation, education, place of residence, reason for consultation, signs and symptoms, changes in bone age, positive response to the GnRH test and etiological association with changes found in brain MRI and pelvic ultrasound, as well as the therapeutic approach.  Results: 48 female patients under 8 years of age entered the study. The onset of symptoms occurred on average at 5.4 +/- 2.27 years, in 31.3% of all patients at the age of 6-7 years. Predominant diagnosis was central precocious puberty and 68.8% of GnRH stimulus tests were positive.  Conclusion: The average age of onset of pubertal development in this group of girls was 5 years, earlier than described in the literature, with unknown etiology in most cases.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Pubertad Precoz]]></kwd>
<kwd lng="es"><![CDATA[desarrollo puberal]]></kwd>
<kwd lng="es"><![CDATA[eje pituitario-gonadal]]></kwd>
<kwd lng="en"><![CDATA[Precocious Puberty]]></kwd>
<kwd lng="en"><![CDATA[pubertal development]]></kwd>
<kwd lng="en"><![CDATA[pituitary-gonadal axis.]]></kwd>
</kwd-group>
</article-meta>
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