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Question
28 Jun 2010
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HIGH RISK DOWNS SYNDROME
I have heard that there are often false positives with the AFP tests. What could the possible causes of false positives be? I have heard that IVF ICSI and also a vanishing twin can cause incorrect results. Is this right.
GynaeDoc
AFP is not a test for Down syndrome but for spina bifida. The best screening test for Downs is a nuchal translucency scan plus first trimester biochemistry.
Best wishes
Best wishes
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