1 Department of Internal Medicine and Clinical Immunology, CHU Rennes, University of Rennes 1, 16 bvd de Bulgarie - 35203 RENNES Cedex 2 - BP 90347, Rennes, France.
2 Perinatal network, CHU Rennes, University of Rennes 1, Rennes, France.
3 Department of Internal Medicine and Clinical Immunology, CHU Rennes, University of Rennes 1, Rennes, France.
4 University of Rennes, CHU Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) -UMR_S 1085, Rennes France.
5 Department of Obstetrics and Gynecology, CHU Rennes, University of Rennes 1, Rennes France.
6 Department of Pathology, CHU Rennes, University of Rennes 1, Rennes France.