Scientists created the eggs using DNA from adult skin cells, a step that could someday potentially lead to new ways to treat infertility and enable gay couples to have genetically related children.

For a long time, having children has been a young person’s game. Although ancient records are sparse, researchers estimate that, for most of human history, women most typically conceived their first ...

A reproductive medicine professor described the work as an “exciting proof of concept” that may change approaches to ...