Trisomy 21 & Triple Screen

David Risilia dqr98 at
Wed Jan 26 21:41:49 EST 2000

I am seeking info on the relationship between Trisomy 21 and low levels
of alphfetoprotein.

It seems false positive tests are common in the triple screen for
detecting the likelihood of Down Synd.

Thanks & please advise.  DQR
The neuro tube relationship and high levels of AFT are generally
understood, but what is known for the inverse??

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