<?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>0186-7210</journal-id>
<journal-title><![CDATA[Estudios demográficos y urbanos]]></journal-title>
<abbrev-journal-title><![CDATA[Estud. demogr. urbanos]]></abbrev-journal-title>
<issn>0186-7210</issn>
<publisher>
<publisher-name><![CDATA[El Colegio de México A.C.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0186-72102009000100151</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Biografías sexuales de los adolescentes varones en las favelas de Recife, Brasil: cuestionando algunos estereotipos de la sexualidad adolescente]]></article-title>
<article-title xml:lang="en"><![CDATA[Partnership and Sexual Histories of Adolescent Males in Brazil: Myths and Realities]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Juárez]]></surname>
<given-names><![CDATA[Fátima]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Castro Martín]]></surname>
<given-names><![CDATA[Teresa]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Estudios Demográficos, Urbanos y Ambientales  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,Centro de Ciencias Humanas y Sociales  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2009</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2009</year>
</pub-date>
<volume>24</volume>
<numero>1</numero>
<fpage>151</fpage>
<lpage>191</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S0186-72102009000100151&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S0186-72102009000100151&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S0186-72102009000100151&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El texto analiza las prácticas sexuales y anticonceptivas de los adolescentes dentro de un contexto más amplio de dinámicas de pareja; se revisa con qué frecuencia, con quién, por cuánto tiempo y bajo qué condiciones de compromiso, exclusividad e involucramiento sexual los adolescentes establecen sus relaciones de pareja. La información utilizada se recolectó a partir de un cuestionario diseñado para este estudio, que se aplicó en mayo de 2000 a 1 483 adolescentes varones entre 13 y 19 años que habitaban en varias favelas de Recife, Brasil. Se obtuvo información detallada sobre las características de las parejas e historias sexuales y anticonceptivas de los adolescentes, mediante calendarios mes a mes para los dos años previos a la entrevista. Los resultados muestran que algunos rasgos de las dinámicas de pareja en la adolescencia -tales como el patrón de corta duración, la alta prevalencia de relaciones casuales, el breve periodo de cortejo previo al involucramiento sexual y la limitada protección anticonceptiva - aumentan la vulnerabilidad de los adolescentes ante los riesgos en la salud. Sin embargo, otras características como las relaciones de pareja esporádicas, la alta prevalencia de relaciones de pareja no sexuales, y por tanto, una actividad sexual poco frecuente, limitan su exposición real a riesgos en la salud, especialmente en la adolescencia temprana o intermedia. Se encontró también una elevada continuidad en las prácticas anticonceptivas a lo largo de sus sucesivas relaciones de pareja.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This article analyzes adolescent sexual and contraceptive practices within the broader context of partnership dynamics, i.e. how frequently, with whom, for how long and under what conditions of commitment, exclusivity and sexual involvement, do adolescents establish partnerships. The data used were collected in a specially designed survey carried out in May 2000 among 1,438 adolescent males aged 13-19 in several favelas of Recife, Brazil. The survey collected detailed partnership, sexual and contraceptive histories in the form of month-by-month calendars for the two years prior to the interview. The results show that some features of adolescent partnership dynamics, such as short duration patterns, high prevalence of casual relationships, brief courtship before sexual involvement and limited contraceptive protection, enhance adolescents&#8217; vulnerability to health risks. However, other features, such as sporadic dating, high prevalence of nonsexual partnerships, and hence relatively infrequent and intermittent sexual intercourse, limit their actual exposure to health risks, particularly in early and middle adolescence. Considerable continuity in contraceptive protection across successive partnerships is also found.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[adolescentes]]></kwd>
<kwd lng="es"><![CDATA[conducta sexual]]></kwd>
<kwd lng="es"><![CDATA[relaciones de pareja]]></kwd>
<kwd lng="es"><![CDATA[anticoncepción]]></kwd>
<kwd lng="es"><![CDATA[uso de condón]]></kwd>
<kwd lng="es"><![CDATA[salud sexual]]></kwd>
<kwd lng="es"><![CDATA[Brasil]]></kwd>
<kwd lng="en"><![CDATA[adolescents]]></kwd>
<kwd lng="en"><![CDATA[sexual behaviour]]></kwd>
<kwd lng="en"><![CDATA[partnership]]></kwd>
<kwd lng="en"><![CDATA[contraception]]></kwd>
<kwd lng="en"><![CDATA[condom use]]></kwd>
<kwd lng="en"><![CDATA[sexual health]]></kwd>
<kwd lng="en"><![CDATA[Brazil]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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