[Routine application of results of a randomised trial : performance of ultrasound in dailyroutine practice for screening fetal macrosomia].

To evaluate the performance of ultrasound at 36 weeks of gestation for screening fetal macrosomia according to the criteria of the randomized "DAME" trial. Méthod : Retrospective observational study over 2 years in a type 3 maternity hospital. The primary outcome was birth weight above the 97th percentile on Audipog birth weight curves. The sensitivity, specificity, positive and negative predictive value of ultrasound at 36 SA for predicting macrosomia were calculated. For each patient, the absolute value of the difference between actual and estimated weight (EPF difference = (Birth weight - Estimated weight) / Birth weight) was calculated. Among undetected macrosomic newborns (≥ 97 Ultrasound performed at 36 weeks' gestation in a population targeted for suspected fetal macrosomia in routine practice has moderate sensitivity and positive predictive value. It would be timely for teams also applying this protocol to share their results, in order to verify whether or not our findings can be generalized to a larger scale.

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