IVF test could spot 'dud' embryos

A BIG goal in IVF research is a test that reliably sorts dud embryos from those likely to develop into babies. Now differences in gene expression that seem to predict which embryos will go to term are bringing this a step closer. Doctors usually decide which embryos to transfer to the uterus based purely on their appearance. Yet as only about 30 per cent of them fully develop, women often undergo multiple treatments or have several embryos implanted at once, which carries risks to both the mother and her embryos. To try to improve the selection process,
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