. 2020 Jul 24;151(2):197–202. doi: 10.1002/ijgo.13293
© 2020 International Federation of Gynecology and Obstetrics
This article is being made freely available through PubMed Central as part of the COVID-19 public health emergency response. It can be used for unrestricted research re-use and analysis in any form or by any means with acknowledgement of the original source, for the duration of the public health emergency.