Sunday, March 18, 2012

Indications of performing Chorionic villus sampling, or Amniocentesis

  • have had a high risk screening test for Down syndrome
  • have had a previous pregnancy affected with a genetic disorder
  • or your partner have one or more relatives affected with a genetic disorder, which means you are at greater risk of having a child with a genetic disorder, such as cystic fibrosis, thalassaemia or sickle cell disease
  • have received a result from a scan which shows certain abnormal ultrasound features, such as fluid collection at the back of the baby's neck (nuchal translucency), or a congenital heart defect which indicates the baby may have a disorder such as Down syndrome. This may be suspected on a scan at 18-22 weeks
  • want to know for certain whether your baby has a genetic disorder or not.

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