50 years ago, scientists took baby steps toward selecting sex
Excerpt from the August 3, 1968 issue of Science News
UNDER THE MICROSCOPE The modern science of in vitro fertilization began 50 years ago, with an experiment in rabbits that selected for their sex.
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Toward preselected sex
Robert Edwards and Richard Gardner of Cambridge University … say they have been able to remove rabbit embryos … then reimplant only the blastocysts destined to develop into the chosen sex.