Updated 2/14/2025

Amniocentesis

Amniocentesis is a medical procedure where a thin needle is used to take a small sample of amniotic fluid from the sac surrounding a developing baby in the womb. This fluid contains cells that can provide important information about the baby's health and genetic makeup.

Purpose

Amniocentesis is performed to test for genetic disorders, chromosomal abnormalities, and certain infections in the fetus. It can also help determine the baby's lung maturity if early delivery is being considered.

Risks, Benefits, and Alternatives

It can provide valuable information about genetic conditions, helping parents make informed decisions.
The procedure can detect certain infections that may affect the fetus.
Amniocentesis can assess fetal lung maturity, which is important for planning delivery.

Procedure Details

Preparation

You may be advised to drink plenty of fluids before the procedure to help with visualization of the fetus.
Discuss any medications you are taking with your healthcare provider, as some may need to be paused.
Wear comfortable clothing and consider bringing someone with you for support.

Process

You will lie on an examination table, and your abdomen will be cleaned with an antiseptic solution.
An ultrasound will be performed to locate the fetus and determine the safest area for needle insertion.
A thin needle will be inserted through the abdominal wall into the amniotic sac to collect fluid.
The sample will be sent to a laboratory for analysis.
The procedure usually takes about 30 minutes, including preparation and recovery time.

Recovery

You may be monitored for a short time after the procedure to ensure there are no immediate complications.
It's normal to experience mild cramping or spotting after the procedure.
You should avoid strenuous activities for a few days following the procedure.

Duration

About 30 minutes

Anesthesia

Local anesthesia may be used to numb the area

Cost Information

The cost of amniocentesis can vary widely depending on location and insurance coverage, typically ranging from $1,000 to $3,000. It's important to check with your insurance provider to understand your specific coverage and out-of-pocket costs.

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