Details of Ethics Approval
As a retrospective cohort involving medical records, our study was reported to the National Commission on Informatics and Liberties (CNIL) on March 22, 2019. Patients consented to the collection of their clinical data. Our research received approval number CEROG 2019-OBST-1001 from the Ethical Review Committee “Comité d’éthique de la recherche en obstétrique et gynécologie” on October 31, 2019.