This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process, which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1111/1471-0528.16316 This article is protected by copyright. All rights reserved DR. ROMAIN CORROENNE (Orcid ID : 0000-0002-8583-2054) MS. KATHERINE HOU ZHU (Orcid ID : 0000-0003-3871-7747) Article type : Main research article Full title: Impact of the size of the lesion in prenatal neural tube defect repair on imaging, neurosurgical and motor outcomes: a retrospective cohort study Romain Corroenne 1 ; Katherine H. Zhu 1 ; Emily Johnson 1 ; Rebecca Johnson 1 ; William E. Whitehead 2 ; Jimmy Espinoza 1 ; Jonathan Castillo 3 ; Heidi Castillo 3 ; Gunes Orman 4 ; Thierry A.G.M. Huisman 4 ; Amy R. Mehollin-Ray 4 ; Alireza A. Shamshirsaz 1 ; Ahmed A. Nassr 1 ; Michael A. Belfort 1 ; Magdalena Sanz Cortes 1 1. Department of Obstetrics and Gynecology, Texas Children’s Hospital & Baylor College of Medicine, Houston, Texas, USA 2. Department of Neurosurgery, Texas Children’s Hospital & Baylor College of Medicine, Houston, Texas, USA 3. Department of Pediatrics, Texas Children’s Hospital & Baylor College of Medicine, Houston, Texas, USA 4. E. B. Singleton Department of Pediatric Radiology, Texas Children’s Hospital & Department of Radiology, Baylor College of Medicine, Houston, Texas, USA Corresponding author: Magdalena Sanz Cortes, MD, PhD Accepted Article