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LYON, France (AP) - Scientists proposed a new theory this week for how identical twins are formed as embryos, in a discovery that may improve a broad range of artificial reproduction techniques.
Using specialized computer software to take photos every two minutes of 33 embryos growing in a laboratory, Dr. Dianna Payne, a visiting research fellow at the Mio Fertility Clinic in Japan, and colleagues documented for the first time the early days of twin development.
The research was presented Monday at a meeting of the European Society for Human Reproduction and Embryology in Lyon, France.
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