1. Department of Obstetrics and Gynecology, Femme Mère Enfant Hospital, Hospices Civils de Lyon, University Hospital Center, Bron, France
2. University of Lyon, University Claude Bernard Lyon 1, University of Saint-Étienne, Saint-Etienne, France
3. University Hospital Centre Sainte Justine, Department of Maternal Fetal Medicine, University of Montreal, Canada
4. Department of Neonatalogy, Femme Mère Enfant Hospital, Hospices Civils de Lyon, University Hospital Center, Bron, France
5. International Center for Research in Infectiology, INSERM U1111, CNRS UMR5308, University of Lyon 1, Lyon, France
6. University of Lyon, Lyon, EA, France