The goal of IVG, [in-vitro gametogenesis, an experimental technique that allows scientists to grow embryos in a lab] is to make unlimited supplies of what [Osaka University Professor Katsuhiko] Hayashi calls “artificial” eggs and sperm from any cell in the human body. That could let anyone — older, infertile, single, gay, trans — have their own genetically related babies. As such, the field opens up a slew of ethical concerns.
But that isn’t stopping researchers from pressing forward.
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