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We've all heard of IVF - invitro fertilisation - but what about IVG ?
In vitro gametogenesis involves making human eggs and sperm in the laboratory from any cell in a person's body.
This means IVG could see same-sex couples have genetically related children.
The prospect of course opens the door to a myriad of other possibilities and potential ethical dilemmas.
Hank Greely is a professor of Genetics at the Stanford School of Medicine , director at the University's Center for Law and the Biosciences , and chair of its Steering Committee of the Center for Biomedical Ethics.
He says science will soon support the creation of life without the need for sex - and indeed that people will choose this form of reproduction in the not-too-distant future.
