Essential IVF pp 423-440 | Cite as

Blastocyst Transfer Update: Pros and Cons

  • Anna Veiga
  • José Torelló
  • Irene Boiso
  • Pedro Barri
  • Yves Ménézo
Chapter

Abstract

The aim of clinical in vitro fertilization (IVF) is to obtain a viable pregnancy leading to the birth of a healthy baby. This has been achieved through the transfer of embryos at the pronuclear (day 1), cleavage (day 2-to-3) and blastocyst stages (day 5-to-6). In fact, the transfer of a blastocyst established the first clinical IVF pregnancy (Edwards et al, 1995). However, with respect to outcome, whether better results are associated with uterine transfer at a particular stage or time (day) after insemination remains controversial. This chapter reviews current findings on blastocyst transfer and defines indications, advantages and disadvantages for transfer at this stage of preimplantation embryogenesis.

Keywords

Sucrose Glycerol Carbohydrate EDTA Pyruvate 

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Copyright information

© Springer Science+Business Media New York 2004

Authors and Affiliations

  • Anna Veiga
    • 1
  • José Torelló
    • 1
  • Irene Boiso
    • 1
  • Pedro Barri
    • 1
  • Yves Ménézo
    • 1
    • 2
  1. 1.Reproductive Medicine ServiceInstitut Universitari DexeusBarcelonaSpain
  2. 2.Institut RhonalpinBronFrance

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