Explore additional resources and educational materials, specifically selected to help you understand various issues surrounding NIPT.
Use the NIPT Predictive Value Calculator
This calculator will allow you to estimate the Positive Predictive Value (PPV) and Negative Predictive Value (NPV) of noninvasive prenatal tests (NIPT), also known as Cell Free DNA Screening (cfDNA), based on estimates of population prevalence or by entering your own prevalence numbers. The results of this calculator only apply to patients who have a result from NIPT/cfDNA.
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