What tests diagnose Edwards syndrome (trisomy 18)?

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What tests diagnose Edwards syndrome (trisomy 18)?

During pregnancy, your healthcare provider will offer different tests to determine the diagnosis of your child if they show symptoms of Edwards syndrome (trisomy 18). These tests include:

  • Amniocentesis: Between 15 and 20 weeks of pregnancy, your healthcare provider will take a small sample of amniotic fluid to identify potential health conditions in your baby.
  • Chorionic villus sampling (CVS): Between 10 and 13 weeks of pregnancy, your healthcare provider will take a small sample of cells from your placenta to look for genetic conditions.
  • Screenings: After 10 weeks of pregnancy, your healthcare provider will examine a sample of your blood to assess whether or not your child has common extra chromosome conditions, including trisomy 18.

After your child is born, your healthcare provider will examine your child’s heart via ultrasound to identify and treat any heart-related conditions as a result of their diagnosis.

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