JoVE Journal
Developmental Biology
Developmental Biology
A subscription to JoVE is required to view this content. Sign in or start your free trial.
Chapters
Summary
Blastocyst biopsy and vitrification are required to efficiently conduct preimplantation genetic testing. An approach entailing the sequential opening of the zona pellucida and retrieval of 7-8 trophectoderm cells in day 5-7 post-insemination limits both the number of manipulations required and the exposure of the embryo to sub-optimal environmental conditions.