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Recurrent implantation failure: definition

  • John Rinehart
Article

Abstract

Purpose

An attempt to define recurrent implantation failure.

Methods

Literature review.

Results

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

Conclusion

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.

Keywords

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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