[1] Hop Louis Mourier, AP HP Nord, Assistance publ Hop Paris, Serv gynecol obstet, Colombes, France
[2] Univ Paris Cite, Paris, France
[3] INSERM, IAME, F-75018 Paris, France
[4] FHU PREMA, Paris, France
[5] Hop Bichat Claude Bernard, Assistance publ Hop Paris, AP HP Nord, Dept Rech clin Biostat & epidemiol, F-75018 Paris, France
[6] Univ Paris Saclay, Hopital Antoine Beciere, DMU sante femmes & nouveau nes, AP HP,Dept gynecol & obstet, Paris, France
[7] Grp Rech les infect pendant grossesse GRIG, Velizy Villacoublay, France
[8] Hop Univ Strasbourg, Pole gynecol obstet, Strasbourg, France
[9] Univ Paris Cite, FHU prematurite, Hop Bichat, Assistance publ Hop Paris,Serv gynecol obste, 46,rue Henri Huchard, Paris, France
[10] Ctr Univ Paris, Maternite Port Royal, Hop Cochin, AP HP, Paris, France
[11] Maternite hop Robert Debre, AP HP, Paris, France
[12] Hop Univ, AP HP, dept Biol genet, Dept virol, Villejuif, France
[13] Univ Paris Saclay, PUI, Villejuif, France
[14] Univ Paris Saclay, Inserm U1193, Villejuif, France