The objective of this study was to assess whether vaginal secretions and breast milk of COVID-19 patients contain SARS-CoV-2 virus. In this case series of 13 pregnant women with COVID-19, we observed negative viral test results in vaginal secretion specimens, suggesting that a vaginal delivery may be a safe delivery option. However, additional research is urgently needed to examine breast milk and the potential risk for viral contamination.


  1. Clinical characteristics and intrauterine vertical transmission potential of COVID-19 infection in nine pregnant women: a retrospective review of medical records. Chen H, Guo J, Wang C, Luo F, Yu X, Zhang W, Li J, Zhao D, Xu D, Gong Q, Liao J, Yang H, Hou W, Zhang Y. Lancet. 2020 Mar 7;395(10226):809-815. doi: 10.1016/S0140-6736(20)30360-3. Epub 2020 Feb 12. PMID: 32151335

  2. Analysis of vaginal delivery outcomes among pregnant women in Wuhan, China during the COVID-19 pandemic.
    Liao J, He X, Gong Q, Yang L, Zhou C, Li J. Int J Gynaecol Obstet. 2020 Apr 29. doi: 10.1002/ijgo.13188. Online ahead of print. PMID: 32350871

  3. Detection and analysis of nucleic acid in various biological samples of COVID-19 patients. Wu J, Liu J, Li S, Peng Z, Xiao Z, Wang X, Yan R, Luo J. Travel Med Infect Dis. 2020 Apr 17:101673. doi: 10.1016/j.tmaid.2020.101673. Online ahead of print. PMID: 32311437


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