Amniocentesis
Amniocentesis
Amniocentesis
Amniocentesis is an invasive prenatal test usually performed during the second or third trimester of pregnancy. During amniocentesis, your doctor uses a thin needle to remove a small amount of amniotic fluid from the sac surrounding your baby.
What is Amniocentesis?
Amniocentesis is a diagnostic procedure performed during pregnancy to analyse the amniotic fluid surrounding the foetus. This fluid contains foetal cells and various chemicals that can provide essential information about the baby’s health and development.
When is Amniocentesis Recommended?
Your healthcare provider may recommend amniocentesis if:
- You are over 35 years of age, as the risk of chromosomal abnormalities increases with maternal age.
- Screening tests indicate a higher risk of genetic disorders.
- There is a family history of genetic conditions.
- You have previously had a child with a genetic or chromosomal condition.
- There is a need to assess the foetus for infections or lung maturity in case of preterm delivery concerns.
Conditions Detected by Amniocentesis
- Chromosomal Abnormalities: Down syndrome (Trisomy 21), Edward syndrome (Trisomy 18), and other genetic conditions.
- Neural Tube Defects: Conditions like spina bifida.
- Genetic Disorders: Such as cystic fibrosis, sickle cell anaemia, and Tay-Sachs disease.
- Foetal Infections: Infections that may affect the baby’s health.
- Foetal Lung Maturity: To evaluate if the baby’s lungs are ready for early delivery, when necessary.
What to Expect During the Procedure
- Initial Consultation: Our specialists will guide you through the procedure, addressing any concerns and explaining potential risks.
- Ultrasound Guidance: The procedure is performed under ultrasound guidance to ensure accurate and safe fluid extraction.
- Sample Analysis: The collected amniotic fluid is sent to our laboratory, where advanced genetic and biochemical tests are conducted.
- Results and Counselling: Once the results are ready, our counsellors will explain the findings and provide support for the next steps.
Frequently Asked Questions
Is amniocentesis a painful procedure?
Amniocentesis is generally not painful, but some women may experience mild discomfort or cramping during the procedure. A thin needle is inserted through the abdomen to extract a small amount of amniotic fluid, and local anaesthesia is not typically required.
How long does it take to get the results of an amniocentesis?
The results of genetic testing from amniotic fluid usually take 7 to 14 days, depending on the type of test being conducted. Some rapid tests, like FISH (Fluorescence In Situ Hybridisation), may provide results within 48 hours for specific conditions like Down syndrome.
What are the risks associated with amniocentesis?
Amniocentesis is a safe and commonly performed procedure, but like any medical test, it carries some risks. These include a small chance of miscarriage (less than 1%), cramping, leaking of amniotic fluid, or infection. Your doctor will assess your specific risk factors before recommending the procedure.
Can I resume normal activities after the procedure?
It is generally advised to rest for 24 to 48 hours after the procedure. Avoid heavy lifting, strenuous exercise, or sexual activity during this period to minimise any potential complications. Most women can return to their daily routine the following day.
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