Oxford University Press would like to apologise for a typesetting error in the references of the above Editorial. The references should be: Munne S, Nakajima ST, Najmabadi S, Sauer MV, Angle MJ, Rivas JL, Mendieta LV, Macaso TM, Sawarkar S, Alexander Nadal A. et al. First PGT-A using human in vivo blastocysts recovered by uterine lavage: comparison with matched IVF embryo controls. Hum Reprod 2020;35:70-80. Oron G. How far should we go in the name of science? Hum Reprod 2020;35:3-4. The electronic version of this article has been updated at https:// doi.org/10.1093/humrep/dez250.