[1] Univ Paris, Inserm Epope, ENCMM,INRA,DHU Prema, Inserm U1153,CRESS,Equipe EPOPe Epidemiol Obstet, 53 Ave Observ, F-75014 Paris, France
[2] CHU Nimes, CNEMM, Serv Anesthesie Reanimat, Pl Pr Robert Debre, F-30029 Nimes, France
[3] Univ Caen, HU Caen, CNEMM, Serv Gynecol Obstet & Med Reprod,CHU Caen, Ave Cote de Nacre, F-14033 Caen 09, France