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Zuzana Holubcova: When Does Compaction Begin in Human Embryos?
Oct 17, 2026, 14:56

Zuzana Holubcova: When Does Compaction Begin in Human Embryos?

Zuzana Holubcova, Research Group Leader and Senior Lecturer of the Faculty of Medicine at Masaryk University Brno, shared on LinkedIn։

“When does compaction begin in human embryos?

Unlike mouse embryos, which typically initiate compaction at the 8-cell stage, human embryos show much greater variability.

New additions to the eAtlas of Clinical Embryology illustrate this remarkable variation in compaction timing.

Have you encountered rare preterm compaction at the 4-cell stage in your time-lapse recordings? Please consider sharing your videos to expand the eAtlas and document the diversity of human embryo development!

Explore the eAtlas.

Access password: [25071978] = date of birth of the first IVF baby.”

Proceed to the video attached to the post.

Other articles featuring Zuzana Holubcova on Fertility News.