Understanding the Nub Theory: Accuracy in Gender Prediction

Discover the accuracy of the nub theory for determining baby gender and when to rely on it.

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The nub theory can be wrong around 15-20% of the time in determining a baby’s gender based on early ultrasound. It's not always accurate as it depends on the quality of the scan and the skill of the technician. For more reliable results, waiting for the 20-week anatomy scan is recommended.

FAQs & Answers

  1. What is the nub theory in gender prediction? The nub theory suggests that the angle of the genital tubercle can indicate a baby's gender during early ultrasounds.
  2. How accurate is the nub theory for determining gender? The nub theory can be wrong about 15-20% of the time, depending on ultrasound quality and technician skill.
  3. When is the best time to find out a baby's gender? The best time for accurate gender determination is during the 20-week anatomy scan.
  4. Are there other methods for gender prediction? Yes, aside from the nub theory, 3D ultrasound imaging and genetic testing can provide more reliable results.