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Ultrasound Amniocentesis

Science assignment
by

Cathy La

on 3 March 2015

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Transcript of Ultrasound Amniocentesis

Success rate
Reproduction
Ultrasound Amniocentesis
Amniocentesis
An amniocentesis (also referred to as amniotic fluid test or AFT) is a medical procedure used to test for chromosomal abnormalities such as Down's Syndrome.
Bibliography
http://www.bellybelly.com.au/pregnancy/amniocentesis
http://en.wikipedia.org/wiki/Amniocentesis
http://www.thewomens.org.au/amniocentesis
This test is performed at around 16 weeks of pregnancy for women who are 37 years or over at the estimated time of delivery. Amniocentesis is offered to women who have had a prenatal screening test which has shown an increased risk for birth defect and/or have already had a child who was born with a fetal abnormalities.
Risks
Most people would rather knowing whether or not their baby would have an abnormality instead of being disappointed and shocked on the day of its birth.
The test is safe and is not painful.
The test can also determine the gender of the baby.
Undergoing an amniocentesis slightly increases the chance of a miscarriage.
Although it is rare, the test may fail and a repeat procedure may be offered.
It cannot be guaranteed that all abnormalities will be detected.
Cathy La - 8F
Amniocentesis is used to help diagnose fetal problems such as:
Down's syndrome (trisomy 21)
Trisomy 13
Trisomy 18
Fragile X
Rare inherited metabolic disorders
Neural tube defects
Before the procedure starts, an anesthetic can be given to the mother to relieve the pain felt while the needle is inserted. A needle is passed through the skin of the mother, through the wall of the uterus (womb) and into the amniotic sac so that a small sample of the amniotic fluid surrounding the baby. The needle does not touch the placenta or the developing baby.
Procedure
when would Amniocentesis be used?
Amniocentesis is usually performed between the 15th to 20th week of pregnancy, so performing the procedure earlier than 15 weeks could injure the fetus. Other risks include preterm labour and delivery, respiratory distress and fetal trauma. There is also a slight risk of miscarriage though it does not seem to be associated with any other risks relevant to the pregnancy,
Diagnosis
Amniocentesis ultrasounds have a very high success rate and it is rare for any problems to appear after the test though mild discomfort is occasional. The test is accurate and with the combination of an amniocentesis and an ultrasound scan ensures the normality of the baby but not every abnormality is guaranteed to be found.
For
Against
My opinions
I think that it is a beneficial and safe way to find out if your baby will be born with any fetal abnormalities.
It would be easier for the parents to deal with the situation if they were prepared and knew about it's child's problems.
For or against
The test is mostly accurate and is barely painful.
I am for amniocentesis because:
Full transcript