Quicktime Movie - Blastocyst Contractions
|width=500px|height=450px|controller=true|autoplay=false</qt>||Movie shows in vitro development of a human blastocyst between day 5 and day 6 post-fertilization.
00:08 - re-expansion
00:15 - contraction (collapse)
00:16 - re-expansion (blastocoel enlargement)
00:17 - commence blastocyst hatching (1 o'clock position)
<pubmed>20890283</pubmed>| Nat Biotechnol.
Reprinted by permission from Macmillan Publishers Ltd: Nat Biotechnol. (Non-invasive imaging of human embryos before embryonic genome activation predicts development to the blastocyst stage. Wong CC, Loewke KE, Bossert NL, Behr B, De Jonge CJ, Baer TM, Pera RA. Nat Biotechnol. 2010 Oct 3. [Epub ahead of print] PMID: 20890283), copyright (2010)