<?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>1688-1249</journal-id>
<journal-title><![CDATA[Archivos de Pediatría del Uruguay]]></journal-title>
<abbrev-journal-title><![CDATA[Arch. Pediatr. Urug.]]></abbrev-journal-title>
<issn>1688-1249</issn>
<publisher>
<publisher-name><![CDATA[Sociedad Uruguaya de Pediatría]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1688-12492025000201502</article-id>
<article-id pub-id-type="doi">10.31134/ap.96.s1.1</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Vacunación COVID en el embarazo: ¿cómo impactó en la infección materna, los resultados obstétricos-neonatales y en los primeros 6 meses de vida del lactante?]]></article-title>
<article-title xml:lang="en"><![CDATA[COVID vaccination in pregnancy: how did it impact maternal infection, obstetric-neonatal outcomes, and the first 6 months of the infants&#8217; lives?]]></article-title>
<article-title xml:lang="pt"><![CDATA[Vacinação contra a COVID na gravidez: qual foi o impacto na infecção materna, nos resultados obstétrico-neonatais e nos primeiros 6 meses de vida do lactente?]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Amaya]]></surname>
<given-names><![CDATA[Gabriela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Santoro]]></surname>
<given-names><![CDATA[Anabella]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García]]></surname>
<given-names><![CDATA[Carol]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[Bernardo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,CRAMI IAMPP Pediatría ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af2">
<institution><![CDATA[,CRAMI IAMPP Depto. Pediatría ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af3">
<institution><![CDATA[,CRAMI IAMPP  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<aff id="Af4">
<institution><![CDATA[,CRAMI IAMPP Pediatría y Neonatología ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2025</year>
</pub-date>
<volume>96</volume>
<numero>nspe1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_arttext&amp;pid=S1688-12492025000201502&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_abstract&amp;pid=S1688-12492025000201502&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.edu.uy/scielo.php?script=sci_pdf&amp;pid=S1688-12492025000201502&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[resumen está disponible en el texto completo]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Summary  Introduction:  SARS CoV 2 infection in pregnancy is associated with severe disease and an increased risk of adverse obstetric-neonatal outcomes. Vaccines against SARS CoV 2 have been effective in preventing severe COVID-19 in pregnancy. Vaccination provides protection to pregnant women and may offer additional protection to infants, who are not eligible for vaccination.  Objectives:  1. estimate the COVID vaccination rate and the incidence of SARS CoV 2 infection in pregnant women from a private health provider in the interior of the country. 2. describe the obstetric-neonatal outcomes, and the incidence of SARS CoV 2 infection and hospitalization in the first 6 months of life. 3. identify differences between vaccinated (2 or more doses) and unvaccinated or poorly vaccinated (0 - 1 dose) pregnant women.  Methodology:  observational, descriptive study of the cohort of pregnant women who completed their pregnancy between 1/1/2022 and 31/12/2022, users of a private health provider in the interior of the country. Inclusion: all pregnant women who completed their pregnancy with a live newborn (LNB) in the study period. Data source: Perinatal Computer System (SIP), Vaccine Computer System (SIV), electronic medical record. Pregnancy variables: maternal age, check-ups, COVID vaccination, SARS CoV 2 infection; newborn variables: gestational age, birth weight (BW); infants under 6 months: SARS CoV 2 infection; hospitalization. Analysis: descriptive statistics - absolute and percentage frequency, mean, median, and standard deviation. Incidence rates. Statistical association p&lt;0.05.  Results:  between 1/1/22 and 31/12/22, 298 pregnant women completed their pregnancy, with 301 LNB (3 twin pregnancies). Maternal age: mean 29 years (SD 6 years), well-controlled pregnancy 98%. COVID vaccination in 278 pregnant women (92%) - 1 dose 4%, 2 doses 32%, 3 doses 58%, 4 doses 6%. SARS CoV 2 infection confirmed in 57 pregnant women (11 in the 14 days prior to delivery) - Incidence rate: 19/100 pregnancies. Obstetric outcomes: cesarean section 55%; prematurity 9% (12% in infants of COVID+ mothers in pregnancy, p 0.28); BW &lt;2500 g: 4% (6% in COVID+ mothers, p 0.24). SARS CoV 2 infection in infants under 6 months: 4/301. None in the neonatal period. Incidence rate 1.3/100 infants under 6 months. 72 hospital admissions were recorded in 50 infants under 6 months. Hospitalization rate 24%. Respiratory cause: 66%; no admission for SARS CoV 2. A positive (protective) association was found between COVID vaccination and maternal infection (p 0.026); and between COVID vaccination and hospitalization in infants under 6 months of age; without statistical significance (p&gt;0.05).  Conclusions:  the COVID vaccination rate in pregnancy is high in our study. There were no differences in obstetric-neonatal outcomes between vaccinated and unvaccinated women. SARS CoV 2 infection in infants under 6 months was very low, and no vertical transmission was detected. COVID vaccination in pregnancy appears to have a positive impact on maternal infection and hospitalization of infants under 6 months.]]></p></abstract>
<abstract abstract-type="short" xml:lang="pt"><p><![CDATA[Resumo  Introdução:  a infecção por SARS CoV 2 na gravidez está associada à doença grave e a um maior risco de resultados obstétrico-neonatais adversos. As vacinas contra o SARS CoV 2 têm sido eficazes na prevenção da COVID-19 grave na gravidez. A vacinação oferece proteção às gestantes e pode proporcionar um benefício adicional de proteção aos lactentes, que não são elegíveis para a vacinação.  Objetivos:  1. estimar a taxa de vacinação COVID e a incidência de infecção por SARS CoV 2 em gestantes de um prestador de saúde privado do interior do país. 2. descrever os resultados obstétrico-neonatais e a incidência de infecção por SARS CoV 2 e hospitalização nos primeiros 6 meses de vida. 3. identificar diferenças entre as gestantes vacinadas (2 ou mais doses) e não ou mal vacinadas (0 - 1 dose).  Metodologia:  estudo observacional, descritivo da coorte de gestantes que finalizaram a gravidez entre 1/1/2022 e 31/12/2022, usuárias de um prestador de saúde privado do interior do país. Inclusão: todas as gestantes que concluíram a gravidez com um recém-nascido vivo (RNV) no período de estudo. Fonte de dados: Sistema Informático Perinatal (SIP), Sistema Informático de Vacinas (SIV), prontuário eletrônico. Variáveis da gravidez: idade materna, consultas, vacinação COVID, infecção por SARS CoV 2; variáveis do recém-nascido: idade gestacional, peso ao nascer (PN); lactentes menores de 6 meses: infecção por SARS CoV 2; hospitalização. Análise: estatística descritiva - frequência absoluta e percentual, média, mediana e desvio padrão. Taxas de incidência. Associação estatística p&lt;0,05.  Resultados:  entre 1/1/22 e 31/12/22, 298 gestantes concluíram a gravidez, com 301 RNV (3 gestações gemelares). Idade materna: média de 29 anos (DP 6 anos), gravidez bem controlada em 98%. Vacinação COVID em 278 gestantes (92%) - 1 dose 4%, 2 doses 32%, 3 doses58%, 4 doses 6%. Infecção por SARS CoV 2 confirmada em 57 gestantes (11 nos 14 dias anteriores ao parto) - Taxa de incidência: 19/100 gestações. Resultados obstétricos: cesariana 55%; prematuridade 9% (12% em RN de mães COVID+ na gravidez, p 0,28); PN &lt;2500 g: 4% (6% em mães COVID+, p 0,24). Infecção por SARS CoV 2 em menores de 6 meses: 4/301. Nenhum no período neonatal. Taxa de incidência de 1,3/100 menores de 6 meses. Foram registradas 72 internações hospitalares em 50 lactentes menores de 6 meses. Taxa de hospitalização de 24%. Causa respiratória: 66%; nenhuma internação por SARS CoV 2. Foi encontrada associação positiva (protetora) entre vacinação COVID e infecção materna (p 0,026); e entre vacinação COVID e hospitalização em menores de 6 meses; sem significância estatística (p&gt;0,05).  Conclusões:  a taxa de vacinação COVID na gravidez é alta em nosso estudo. Não houve diferenças nos resultados obstétrico-neonatais entre vacinadas e não vacinadas. A infecção por SARS CoV 2 em menores de 6 meses foi muito baixa, e não foi detectada transmissão vertical. A vacinação COVID na gravidez parece ter um impacto positivo na infecção materna e na hospitalização de menores de 6 meses.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Vacunas Contra la COVID-19]]></kwd>
<kwd lng="es"><![CDATA[Embarazo]]></kwd>
<kwd lng="es"><![CDATA[Recién Nacido]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[COVID-19 Vaccines]]></kwd>
<kwd lng="en"><![CDATA[Pregnancy]]></kwd>
<kwd lng="en"><![CDATA[Newborn]]></kwd>
<kwd lng="pt"><![CDATA[COVID-19]]></kwd>
<kwd lng="pt"><![CDATA[Vacinas para o COVID-19]]></kwd>
<kwd lng="pt"><![CDATA[Gravidez]]></kwd>
<kwd lng="pt"><![CDATA[Recém-nascido]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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