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2. What has time lapse taught us?
Reliability of fertilisation assessment
Erroneous divisions can be detected and deselected
Episodes of blastocoel collapse are not good.
Novel observations from our work at CARE Fertility
Simple de-selection of embryos can be undertaken without algorithms
In ‘standard’ practice we assess the following....
Pronuclei
Cleavage
Blastocyst morphology
Even without assessing specific timings, TLI can elucidate
Number, dynamics, changes Number of daughter cells
Cell merging
Dynamics of expansion and episodes of collapse
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