At eighteen, when she had graduated from Havergal College, Olive had been engaged to Will Desmond, lawyer in embryo.
Freezing an embryo costs 1,000 to 3,000 yuan every year.
Dr Kathy Niakan, who led the research, said: "One way to find out what a gene does in the developing embryo is to see what happens when it isn't working.
Dr Kathy Niakan, who led the research, said: "One way to find out what a gene does in the developing embryo is to see what happens when it isn't working.
In 2007, a research team led by Mitalipov announced they created the first cloned monkey embryo and extracted stem cells from it.
Artificial human life could soon be grown from scratch in the lab, after scientists successfully created a mammal embryo using only stem cells.
A remarkable 250 million-year-old fossil has been discovered which contains an embryo inside the mother.
We start as a fertilized egg; become an embryo consisting of immature, undifferentiated cells; then gradually develop into a body of specialist cells, including blood, bone, muscle and skin.
Many countries, especially those that see themselves as future torchbearers for technology, such as China, are forging ahead; China holds the first claim to creating a (non-viable) gene-edited embryo.
Whereas identical twins develop from one embryo that splits in half, dizygotic twinning thus starts with a multiple ovulation.
They concluded with understandable caution that the risks of unpredictable consequences are so great that no one should consider initiating a pregnancy with a gene-edited embryo for the time being, though research should continue and clinical applications might be appropriate in future if safety and efficacy can be proved.
