Volume 17, Issue 3, on March 5, 2025, titled "Reproductive aging, preimplantation genetic testing for aneuploidy, and the ...

These clusters of cells are increasingly at the center of legal disputes, resulting in piecemeal decisions that have far-reaching consequences.

The test deemed each of the Petersens’ five embryos abnormal, meaning their clinic—like many in the industry—refused to use any of them. “It was like, ‘Well, better luck next time.

Researchers reveal that the guinea pig pre-implantation embryo is very similar to the human embryo, spurring a better understanding of infertility and early human development.

long way from having similar sorts of visibility into what happens inside a human embryo when it’s gene-edited. “It’s very, very challenging, if not impossible,” Joung said to those ...

They use CRISPR-based engineering methods to prompt stem cells to organize into "programmable" embryo-like structures, also known as embryoids, which can be used to study the role of certain genes ...

After three long essays in the New York Times ’s “Embryo Question,” the series ends with a stunning confession of complete indecision about what the human embryo is — aside from the assertion that ...