Uterine Blastotoxic Factors

  • Alexandre Psychoyos
  • Viviane Casimiri


The classical study of Chang (1950) showed that the intrauterine survival of a fertilized egg and its implantation in the rabbit require a synchrony between embryonic and uterine development. The importance of such a synchronization has been established in all species studied, although in many the chronological limits for a successful transfer appear extended to several days. As a general rule intrauterine survival of transferred eggs of any stage becomes impossible beyond the time at which nidation would normally occur.


Mouse Blastocyst Refractory Phase Uterine Fluid Ovariectomized Animal Uridine Uptake 
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Copyright information

© Plenum Press, New York 1981

Authors and Affiliations

  • Alexandre Psychoyos
    • 1
  • Viviane Casimiri
    • 1
  1. 1.Laboratoire de Physiologie de la Reproduction, C.N.R.S.-ER 203Hopital de Bicêtre (INSERM)BicêtreFrance

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