1. Department of Obstetrics and Gynaecology; Université Paris Descartes; Paris Sorbonne-Cité; Paris France
2. EA7328; Université Paris Descartes; Paris Sorbonne-Cité; Paris France
3. Hôpital Necker-Enfants Malades; Assistance Publique-Hôpitaux de Paris; Paris France
4. Centre National de Référence des Grossesses Monochoriales Compliquées; Paris France
5. Department of Paediatric Neurology; Université Paris Descartes; Paris Sorbonne-Cité; Paris France
6. Université Paris Descartes; Paris Sorbonne-Cité; Paris France
7. Department of Paediatric Imaging; Université Paris Descartes; Paris Sorbonne-Cité; Paris France
8. Department of Neonatology; Université Paris Descartes; Paris Sorbonne-Cité; Paris France