Not even noninvasive cell-free DNA can rescue preimplantation genetic testing.

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.

Norbert Gleicher, MD, leads CHR’s clinical and research efforts as Medical Director and Chief Scientist. A world-renowned reproductive endocrinologist, Dr. Gleicher has published hundreds of peer-reviewed papers and lectured globally while keeping an active clinical career focused on ovarian aging, immunological issues and other difficult cases of infertility.

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
Date: 2019