One of the most cutting-edge and controversial fields of biomedical research right now is the quest to create eggs and sperm in the lab for anyone with their own DNA. And now, private companies have jumped into the race to revolutionize the way humans reproduce.

In vitro gametogenesis, or IVG, would enable infertile women and men to have children with their own DNA instead of genes from the sperm and eggs of donors. It would also provide queer couples the opportunity to have children biologically related to both partners.

NPR health correspondent Rob Stein reports on the excitement and concerns this new technology has fueled.

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