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Systematic screening for SARS-CoV-2 in pregnant women admitted for delivery in a Portuguese maternity

Authors
  • Figueiredo, Rita1
  • Tavares, Sara1, 2, 3
  • Moucho, Marina1
  • Ramalho, Carla1, 2, 3
  • 1 Centro Hospitalar Universitário de São João, Portugal , (Portugal)
  • 2 Faculdade de Medicina da Universidade do Porto, Portugal , (Portugal)
  • 3 Instituto de Investigação e Inovação em Saúde, i3S, Portugal , (Portugal)
Type
Published Article
Journal
Journal of Perinatal Medicine
Publisher
Walter de Gruyter GmbH
Publication Date
Oct 21, 2020
Volume
48
Issue
9
Pages
977–980
Identifiers
DOI: 10.1515/jpm-2020-0387
Source
De Gruyter
Keywords
License
Yellow

Abstract

Objectives The burden of undocumented SARS-Cov-2 infections in Portuguese pregnant women is unknown. At our institution, routine COVID-19 testing was implemented from 19th of March on to all pregnant women who were admitted for delivery. The purpose of the study was to estimate the SARS-CoV-2 infection rate in our obstetric population admitted for delivery. Mathods Between 19th March and May 4th, 184 pregnant women were screened for SARS-CoV-2 infection upon admission. Results Eleven women were positive for SARS-CoV-2, corresponding to a global prevalence of 6.0%. Of these, only two reported symptoms at admission. The prevalence of asymptomatic infection was 4.9%. We report a lower rate of positive cass than other studies. Eighty-two percent of our cases had no symptoms at admission. Conclusions The proportion of asymptomatic infection highlights the importance of universal laboratory screening for all women admitted for delivery as opposed to symptom-based screening.

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