Recurrent implantation failure: definition

  • John Rinehart



An attempt to define recurrent implantation failure.


Literature review.


Numerous definitions of recurrent implantation failure exist. The complexity and redundancy of the process of implantation makes a single definition difficult to determine.


Each center must establish a definition of recurrent implantation failure based upon the data from that center. The definition of RIF used in our program requires the transfer of ≥8, 8-cell stage embryos or ≥5 blastocyst embryos.


Recurrent implantation failure IVF Implantation 


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Division of Reproductive Endocrinology and InfertilityEvanston Northwestern HealthcareEvanstonUSA
  2. 2.Rinehart Center for Reproductive MedicineEvanstonUSA

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