Amniocentesis
What is the test?
Amniocentesis involves using a needle to take a sample of amniotic fluid, the fluid that surrounds a developing fetus during pregnancy. Tests of fetal cells found in this fluid can reveal the presence of Down syndrome or other chromosome problems in the baby. Amniocentesis can also show whether the lungs of the baby are mature enough to allow it to survive if it were delivered right away.
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