Article
Vitrification of human blastocysts with the Hemi-Straw carrier: application of assisted hatching after thawing
30 Jun 2003
Abstract excerpt
BACKGROUND: The present study was undertaken to examine the usefulness of both vitrification and assisted hatching (AH) on blastocysts that originate from embryos showing different qualities during their cleavage stage. METHODS: A total of 281 blastocysts were vitrified (93 vitrification-warming cycles) in a mixture of ethylene glycol-dimethylsulphoxide-Ficoll and sucrose using the Hemi-Straw (HS) carrier system....
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