Reasons and Indications for Amniocentesis
Amniocentesis is not routinely performed during pregnancy but is recommended under specific circumstances where detailed genetic or health information about the fetus is required. It is a follow-up test, usually after abnormal results from prenatal screenings or a detailed ultrasound. These are the Reasons and Indications for Amniocentesis.
Common Reasons and Indications for Amniocentesis:
- Advanced maternal age
Women over 35 have a higher risk of chromosomal abnormalities in the fetus. Particularly Down syndrome (trisomy 21). Amniocentesis provides definitive genetic information. - Positive screening tests
If first- or second-trimester screening tests (e.g., blood tests or nuchal translucency scans) suggest an increased risk for a condition. Additionally, doctors may recommend amniocentesis for confirmation. - Family history of genetic disorders
Conditions like cystic fibrosis, Tay-Sachs disease, or muscular dystrophy may prompt testing if there’s a known carrier or affected family member. - Previous child with genetic abnormalities
Parents with a history of chromosomal disorders in a previous pregnancy may choose amniocentesis for peace of mind. - Rh sensitisation
The procedure can help monitor whether an Rh-negative mother’s immune system is attacking the baby’s red blood cells. - Assessment of fetal infectionsDoctors can test amniotic fluid for infections like cytomegalovirus (CMV) or toxoplasmosis, which may affect fetal development.
- Fetal lung maturity
Later in pregnancy (usually after 32 weeks). Doctors may use amniocentesis to assess the baby’s lungs when considering early delivery
How To Decide
Choosing to undergo amniocentesis is a personal decision. Furthermore, your doctor or genetic counsellor will discuss the benefits, risks, and alternatives based on your individual situation.
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