Screening clients with a family history of conditions that tend to be diagnosed early in life, such as type 1 diabetes, might be beneficial. For now, genomic prediction offers only one mental health-related test for schizophrenia but the company's co-founder Stephen Shoe has hinted that he'd like to see tests for intelligence. Some specialists worry that thinking of embryos in terms of their health scores could increase the stigma around some conditions - especially those affecting mental health.
Companies are offering genetic tests of embryos generated by in vitro fertilization that they say allow prospective parents to choose those with the lowest risk for diseases such as diabetes or certain cancers. However, some researchers are concerned about the accuracy and ethics of these tests.
This is an audio version of our Feature: The controversial embryo tests that promise a better baby
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