<?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>1646-5830</journal-id>
<journal-title><![CDATA[Acta Obstétrica e Ginecológica Portuguesa]]></journal-title>
<abbrev-journal-title><![CDATA[Acta Obstet Ginecol Port]]></abbrev-journal-title>
<issn>1646-5830</issn>
<publisher>
<publisher-name><![CDATA[Euromédice, Edições Médicas Lda.]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1646-58302021000300218</article-id>
<title-group>
<article-title xml:lang="pt"><![CDATA[Frequência de lesões precursoras do câncer cervical em pacientes com idade inferior a 25 anos em Araçatuba, São Paulo, Brasil]]></article-title>
<article-title xml:lang="en"><![CDATA[Frequency of precursor lesions of cervical cancer in patients younger than 25 years old in a medium-sized countryside Brazilian town]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lopes]]></surname>
<given-names><![CDATA[Gabriely Ferreira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guerreiro]]></surname>
<given-names><![CDATA[Matheus Henrique Celestrino]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Camilo-Júnior]]></surname>
<given-names><![CDATA[Deolino João]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Sanches]]></surname>
<given-names><![CDATA[Juliane Cristina Trevizan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Silva]]></surname>
<given-names><![CDATA[Adriana Caroline Rodrigues Almeida]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Xavier Júnior]]></surname>
<given-names><![CDATA[José Candido Caldeira]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
<xref ref-type="aff" rid="Aaf"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Faculdade de Biomedicina Centro Universitário Católico Unisalesiano Auxilium ]]></institution>
<addr-line><![CDATA[Araçatuba São Paulo]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Instituto de Patologia Araçatuba  ]]></institution>
<addr-line><![CDATA[ São Paulo]]></addr-line>
<country>Brasil</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Faculdade de Medicina Centro Universitário Católico Unisalesiano Auxilium ]]></institution>
<addr-line><![CDATA[Araçatuba São Paulo]]></addr-line>
<country>Brasil</country>
</aff>
<pub-date pub-type="pub">
<day>30</day>
<month>09</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>30</day>
<month>09</month>
<year>2021</year>
</pub-date>
<volume>15</volume>
<numero>3</numero>
<fpage>218</fpage>
<lpage>223</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_arttext&amp;pid=S1646-58302021000300218&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_abstract&amp;pid=S1646-58302021000300218&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.pt/scielo.php?script=sci_pdf&amp;pid=S1646-58302021000300218&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract  Overview and Aims: Brazilian women younger than 25 years old have a significant frequency of abnormal cervical cytology results. Once The Brazilian National Healthcare System advocates that screening for cervical cancer should begin after the age of 25 years, we aimed to analyze the frequency of abnormal cervical cytology results in women who are younger than 25 year old compared to women from 25 to 64 years old.  Methods and Population:  This retrospective and observational study analyzed all exams which were performed in medium-sized countryside Brazilian town during 11 years. The prevalence ratio (PR) test was used to assess the possible statistical difference of cytology results in both groups.  Results:  There were 1,185 (3.15%) abnormal cases among women younger than 25. The most frequent lesion among this group was atypical squamous cells of undetermined significance (PR 2.29; 95% CI 2.10-2.49) followed by low-grade squamous intraepithelial lesion category (PR 4.31; 95% CI 3.66 - 5.06).  Conclusion:  There was a significant frequency of abnormal cervical cytology results in women younger than 25 years old. Nevertheless, the prevalence of true precursor lesions was not associated with this group reinforcing the possible adequacy of current guidelines.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Uterine Cervical Neoplasms]]></kwd>
<kwd lng="en"><![CDATA[Papanicolaou Test]]></kwd>
<kwd lng="en"><![CDATA[Delivery Health Care]]></kwd>
<kwd lng="en"><![CDATA[Cervical Intraepithelial Neoplasia.]]></kwd>
</kwd-group>
</article-meta>
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