[1] Univ Paris Sud Saday, France EA4043 Unite Bacteries Pathogens & Sante, Grp Hosp Paris St Joseph, Serv Microbiol Clin, Chalenay Malabry, France
[2] Grp Hosp Paris St Joseph, Serv Neonatol, Paris, France
[3] Grp Hosp Paris St Joseph, Serv Gynecol Obstet, Paris, France
[4] Paris Descartes Univ, DHU Risk Pregnancy, Obstet Neonatal & Pediat Epidemiol Res Team EPOPe, France UMR1153, Paris, France
[5] Univ Paris Est Criteil, ECEVE, Hop Dieu, AP HP,Unite Rech Clin Econ Sante Ile de France,UM, Paris, France