[1] Hop Tenon, AP HP, Serv Histol & Biol Reprod, F-75020 Paris, France
[2] Hop Tenon, AP HP, Serv Gynecol Obstet & Med Reprod, F-75020 Paris, France
[3] Univ Paris 06, EA 1533, Paris, France
[4] Univ Paris 07, Hop St Louis, AP HP, Dept Biostat & Informat Med, Paris, France
[5] INSERM, UMR S 717, Paris, France