Can a NIPT Test Misidentify Female Gender?

Discover the accuracy of NIPT tests and their potential errors in identifying gender.

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Yes, NIPT tests can sometimes be wrong about the gender. Although they are over 99% accurate, factors like vanishing twin syndrome, placental mosaicism, or just plain laboratory error can lead to incorrect results. Confirming with an ultrasound later in pregnancy is a good practice for peace of mind.

FAQs & Answers

  1. How accurate is a NIPT test for gender? NIPT tests are over 99% accurate for predicting gender but can have occasional inaccuracies.
  2. What causes errors in NIPT gender results? Factors like vanishing twin syndrome, placental mosaicism, and lab errors can lead to inaccuracies in NIPT gender identification.
  3. When should I confirm NIPT results? It is advisable to confirm NIPT results with an ultrasound for peace of mind, typically around 18-20 weeks of pregnancy.
  4. What is placental mosaicism? Placental mosaicism refers to the presence of two or more genetically different cell lines in the placenta, which can affect test outcomes.