11
Feb
2019

DNA test could boost IVF success rates without putting embryo at risk

A human embryo during the third day of its development

A human embryo during the third day of its development

Jim Dyson/Getty Images

By Clare Wilson

TESTING DNA that is naturally discarded by embryos could safely reveal those produced using IVF that are most likely to lead to pregnancy.

IVF doctors try to transfer only the healthiest embryos for pregnancy. DNA testing to identify such embryos is already available, but it has to be done by removing a sample of cells, which carries risks.

“Trying to refine our mechanisms for choosing the embryo that’s most likely to lead to pregnancy is something that’s been eluding us for ever,” says Virginia …

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