Departments: Letters to the EditorExternal Cephalic Version: ACOG Practice Bulletin Number 221Baxi, Laxmi MDAuthor Information Columbia University, New York, New York Financial Disclosure The author did not report any potential conflicts of interest. Obstetrics & Gynecology: September 2020 - Volume 136 - Issue 3 - p 634 doi: 10.1097/AOG.0000000000004076 Buy Corresponding Article Metrics Corresponding Article In Reply Zahn, Christopher M.; Olson Koutrouvelis, Gayle L.; Turrentine, Mark A. Obstetrics & Gynecology. 136(3):634-635, September 2020. © 2020 by the American College of Obstetricians and Gynecologists. Published by Wolters Kluwer Health, Inc. All rights reserved.