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Society for Maternal-Fetal Medicine (SMFM). Electronic address: pubs@smfm.org; Reddy UM, Deshmukh U, Dude A, Harper L, Osmundson SS.Society for Maternal-Fetal Medicine (SMFM). Electronic address: pubs@smfm.org, et al. Among authors: dude a.Am J Obstet Gynecol. 2021 Nov;225(5):B36-B42. doi: 10.1016/j.ajog.2021.07.023. Epub 2021 Aug 5.Am J Obstet Gynecol. 2021.PMID: 34363784Review.