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What is the accuracy of the AFP triple screen (AFP3 or Downscreen Plus) test?

April 26, 2017AFP AFP3 downscreen Plus screen Test triple

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What is the accuracy of the AFP triple screen (AFP3 or Downscreen Plus) test?

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The AFP3 is capable of detecting Down’s syndrome in about 60% of all cases. This is three times more accurate than AFP alone, which can only detect Down’s syndrome in about 20% of cases. The AFP3 returns a false positive result in about 1 in 140 cases.