Antenatal Diagnosis of Coarctations of the Aorta.

Inclusion Criteria

• •pregnant or having given birth in the last 12 months in one of the participating centers
• •have had an ultrasound screening in the 2nd or 3rd trimester
• •addressed or being addressed to the Pluridisciplinary Center for Prenatal Diagnosis for suspected coarctation of isolated aorta in front of: ventricular asymmetry at the aegis of the left ventricle or the large vessels at the aorta, discovered during a screening ultrasound second or third quarter.
• •be able to understand and follow the ins and outs of the study
• •Have been informed of the study and have not objected to it