Association of a deep learning-based scoring system with morphokinetics and morphological alterations in human embryos

•iDAScore, a deep learning scoring system, is associated with fertilisation events.•iDAScore reflects irregular first division, cell number, and fragmentation.•Delayed compaction and blastulation is correlated with a decreased iDAScore.•iDAScore is associated with embryonic morphology at the morula/blastocyst stage.