Journal Pre-proof Risks Associated with Cesarean Delivery during Prolonged Second Stage of Labor Alexis C. GIMOVSKY, MD, Amelie PHAM, MD, Homa K. AHMADZIA, MD, MPH, Andrew D. SPARKS, MS, Scott M. PETERSEN, MD PII: S2589-9333(20)30269-X DOI: https://doi.org/10.1016/j.ajogmf.2020.100276 Reference: AJOGMF 100276 To appear in: American Journal of Obstetrics & Gynecology MFM Received Date: 24 August 2020 Revised Date: 25 October 2020 Accepted Date: 5 November 2020 Please cite this article as: GIMOVSKY AC, PHAM A, AHMADZIA HK, SPARKS AD, PETERSEN SM, Risks Associated with Cesarean Delivery during Prolonged Second Stage of Labor, American Journal of Obstetrics & Gynecology MFM (2020), doi: https://doi.org/10.1016/j.ajogmf.2020.100276. This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Elsevier Inc. All rights reserved.