University of Wisconsin–Madison Medical College of Wisconsin

Travel During Pregnancy

Beuy Joob, Viroj Wiwanitkit

WMJ. 2018;117(1):3.

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To the Editor:

The study you published on travel during pregnancy is very interesting. In this study, Antony et al found that both local and international travel during pregnancy was not uncommon and that some patients reported visiting Zika virus outbreak areas, but there was no data on the abnormal ultrasonography and pregnancy outcomes.¹

We would like to share ideas and observations on this finding. In our setting, tropical Indochina, the ultrasonography is also widely used in obstetrics. The Zika virus is endemic and the risk of exposure to Zika virus infection can be expected regardless of travel to other destinations. Of interest, there is still no observation on the increased rate of ultrasonography use, and there is also no report on the increasing incidence of abnormal ultrasound finding.² Almost all cases of women infected with Zika virus are asymptomatic.³

  1. Antony KM, Gupta VK, Hoppe KK, Quamme T, Feldman N, Stewart K. Travel during pregnancy: results from an ultrasound unit-based questionnaire. WMJ. 2017;116(5):205-209.
  2. Yasri S, Wiwanitkit V. Neuroimaging findings using transfontanellar ultrasound in newborns with microcephaly and Zika virus infection: a comment. J Matern Fetal Neonatal Med. 2017 Nov 22:1. doi: 10.1080/14767058.2017.1404984. [Epub ahead of print]
  3. Wiwanitkit S, Wiwanitkit V.  Afebrile, asymptomatic and non-thrombocytopenic Zika virus infection: Don’t miss it! Asian Pac J Trop Med. 2016 May;9(5):513.
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