What is an amniocentesis?
An amniocentesis is performed later in pregnancy. Using ultrasound guidance, a sample of amniotic fluid is taken using a needle inserted through the abdominal wall. The fluid collected is then tested for chromosomal abnormalities.
What can an amniocentesis detect?
An amniocentesis can be used to identify the following conditions:
- Down’s syndrome
- Cystic fibrosis
- Sickle cell disease
- Neural tube defects
Who is recommended to take this test?
This test is usually recommended to expectant mothers that have had or are one of the following:
- Have had abnormal ultrasound results
- Are aged 35 or older (or will be at the time of pregnancy)
- Have a family history of birth defects
- Have a previous child with birth defects
Are there any risks involved?
There is less than a 1% chance of miscarriage as a result of having an amniocentesis
How accurate is an amniocentesis?
An amniocentesis has an accuracy rate of over 99%.