Can the NIPT Test Be Wrong for Gender? Understanding Accuracy and Limitations

Learn about the accuracy of the NIPT test for fetal gender and why errors can happen. Confirm gender with ultrasound for reliable results.

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Yes, the NIPT test can be wrong for gender. While the NIPT test boasts over 99% accuracy for determining the fetal gender, errors can occur due to factors like low fetal fraction or confined placental mosaicism. For the most reliable results, the gender prediction should ideally be confirmed with another method, such as an ultrasound, later in pregnancy.

FAQs & Answers

  1. How accurate is the NIPT test for determining fetal gender? The NIPT test has over 99% accuracy for fetal gender prediction, but factors like low fetal fraction or placental mosaicism can affect results.
  2. What can cause the NIPT test to be wrong about gender? Errors in NIPT gender results may occur due to low fetal DNA in the sample or confined placental mosaicism, where placental DNA differs from fetal DNA.
  3. Should I confirm NIPT gender results with another test? Yes, confirming NIPT gender predictions with an ultrasound later in pregnancy is recommended for the most reliable results.
  4. What is confined placental mosaicism? Confined placental mosaicism is a condition where the placenta has a different genetic makeup than the fetus, which can sometimes lead to inaccurate NIPT test results.

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