Published in the Proceedings of the National Academy of Sciences.
The latest iteration of PGS/PGT-A analyzes the media in which the embryos spent some time in the lab developing and looks for aneuploidy (chromosomal abnormality) in the embryos. This new testing method circumvents the need to remove cells from the embryos to analyze, but it still comes with all the problems of false positives. Full text available from the link.
Citation Page #: Epub ahead of print
Journal: Proceedings of the National Academy of Sciences
Author Publication: Gleicher N, Barad DH.
Publication Link: https://www.pnas.org/content/early/2019/09/30/1911710116.long