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Polygenic embryo testing: understated ethics, unclear utility


New technologies are expanding the reach and accessibility of preimplantation genetic testing of human embryos. But what these advances can deliver is still unclear, and a frank assessment of their profound ethical implications is urgently needed.

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This research was supported in part by the National Human Genome Research Institute of the National Institutes of Health under awards RM1HG007257-07 and K01HG011683. The content is solely the responsibility of the authors and does not necessarily represent the official views of the National Institutes of Health.

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Correspondence to Josephine Johnston.

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Johnston, J., Matthews, L.J. Polygenic embryo testing: understated ethics, unclear utility. Nat Med 28, 446–448 (2022).

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