Nightly News   |  August 10, 2011

Test reveals sex of baby at 7 weeks

Researchers report that a simple blood test has proven highly accurate in determining the sex of an unborn baby at just seven weeks. NBC’s Brian Williams reports.

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This content comes from Closed Captioning that was broadcast along with this program.

>>> a simple blood test has determined highly accurate in determining the sex of an unborn baby at just seven weeks. that's earlier than ever. some worry parents could use the information to terminate a pregnancy based on gender, but it could be useful for things much less controversial, like preparations