Interet de la congelation des embryons humains au stade de blastocyste. [Value of cryopreservation of human embryos during the blastocyst stage]

Details

Serval ID
serval:BIB_32C3C001C737
Type
Article: article from journal or magazin.
Publication sub-type
Review (review): journal as complete as possible of one specific subject, written based on exhaustive analyses from published work.
Collection
Publications
Title
Interet de la congelation des embryons humains au stade de blastocyste. [Value of cryopreservation of human embryos during the blastocyst stage]
Journal
Contracept Fertil Sex
Author(s)
Freitas  S., Le Gal  F., Dzik  A., Volante  M., Lelaidier  C., Olivennes  F., Fanchin  R., de Ziegler  D., Hazout  A., Frydman  R.
ISSN
1165-1083
Publication state
Published
Issued date
06/1994
Volume
22
Number
6
Pages
396-401
Notes
Comparative Study
English Abstract
Journal Article
Review --- Old month value: Jun
Abstract
The recent development of co-culture technique has permitted to cryopreserve human embryos at the blastocyst stage. The aim of the present study was to compare pregnancy rates after transfers of embryos frozen at an early embryo stage (2-8 cell stage, group A; n = 175) with others frozen at blastocyst stage (group B; n = 98). Our results demonstrated that the frozen/thawed blastocyst survival is approximately 100%. In comparison the early embryos survival rate was 59% (P < 0.05). Moreover, pregnancy rates/embryo transfer in group A (16.4%) were significantly improved by comparison to those observed with early embryos (6.2%) (P < 0.05). In conclusion, our results demonstrate that embryo frozen/thawed at the blastocyst stage can be useful for improving pregnancy rates after cryopreservation.
Keywords
*Blastocyst Cryopreservation/*methods Embryo Transfer/*methods Embryo, Mammalian Evaluation Studies as Topic Female Humans Pregnancy Pregnancy Outcome Survival Rate
Pubmed
Web of science
Create date
28/02/2008 11:37
Last modification date
20/08/2019 13:18
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