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Professor Dennis Lo pioneered a blood test that allows pregnant woman to screen their unborn children for birth defects.
Professor Dennis Lo pioneered a blood test that allows pregnant woman to screen their unborn children for birth defects.

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    Secret to a child's health revealed in mother's blood

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Secret to a child's health revealed in mother's blood

DNA hiding in a mother's bloodstream can reveal all about her baby's health, including genetic conditions such as Down's syndrome. The technique is now being adapted to test for cancer in its earliest stages.

Secret to a child's health revealed in mother's blood

DNA hiding in a mother's bloodstream can reveal all about her baby's health, including genetic conditions such as Down's syndrome. The technique is now being adapted to test for cancer in its earliest stages.