No men OR women needed: artificial sperm and eggs created for first time
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Human eggs and sperm have been grown in the laboratory in research which could change the face of parenthood.
It paves the way for a cure for infertility and could help those left sterile by cancer treatment to have children who are biologically their own.
But it raises a number of moral and ethical concerns. These include the possibility of children being born through entirely artificial means, and men and women being sidelined from the process of making babies.
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