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Introduction: The breech presentation represents 4,7% of deliveries at term. There is a method of external cephalic version (ECV) performed from 36 weeks of gestation. French guidelines for the clinical practice of ECV were published in 2020., Objective: To evaluate the national practices of ECV in French maternity units, especially on the use of tocolysis, 1 year after publication of the French clinical recommendations guidelines by the French national college of obstetricians and gynecologists (CNGOF)., Methods: Data self-reported for this national descriptive study were collected from March to May 2021 by an online questionnaire distributed to all French maternities. The 25 items of the questionnaire collected information of maternity units, the general practice of ECV, use or not of tocolysis for ECV attempt and the relevance of a prospective study., Results: Of the 517 French maternity units, 150 (29%) responded to the online survey.  95,3% systematically performed ECV. A Kleihauer test was routinely performed in 71 units (49.7%). A tocolysis was associated with ECV attempt in 52.4% of cases. The drugs used were intravenous atosiban (30,7%), mainly in levels 2b and 3 maternity units, intravenous salbutamol (24%), other mode of administration of salbutamol (14,7%) and oral nifedipine (22,6%) mainly in levels 1 and 2a maternity units. Adverse effects were described in 20%, mainly with the use of salbutamol (73,3%)., Conclusions: 52.4% of the French maternity units surveyed used tocolysis for the ECV attempt, although it is systematically recommended. The choice of tocolytic drug differed according to the maternity units., Competing Interests: Declaration of Competing Interest Any authors have financial competing interests. Vincent Dochez is a regular reviewer of the editorial board. Norbert Winer and Thibault Thubert are associate editors of this journal. The other authors have no non-financial competing interests., (Copyright © 2021. Published by Elsevier Masson SAS.)