During this Journal club, we discuss whether artificial shrinkage should be performed prior to blastocyst vitrification. Boyard J, Reignier A, Chtourou S, Lefebvre T, Barrière P, Fréour T. Should artificial shrinkage be performed prior to blastocyst vitrification? A systematic review of the literature and meta-analysis. (2020) Hum Fertil 24: 1-9. (https://pubmed.ncbi.nlm.nih.gov/31973…) After a short presentation of the study and its findings by Arnaud Reignier, PhD, Steven Fleming, PhD moderates a discussion with the participants in the session.