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Amniocentesis is a procedure in which amniotic fluid is removed from the uterus for testing or treatment. Amniotic fluid is the fluid that surrounds and protects a baby during pregnancy. This fluid contains fetal cells and various chemicals produced by the baby.
Your health care provider will apply a special gel to your abdomen and then use a small device, known as an ultrasound transducer, to show your baby's position on a monitor. Guided by ultrasound, your health care provider will insert a thin, hollow needle through your abdominal wall and into the uterus. A small amount of amniotic fluid will be withdrawn into a syringe, and the needle will be removed. The small amount of amniotic fluid that's removed will be replaced naturally.
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