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Title: Pros and cons of the Amniocentesis and Chorionic villus tests
Description: Notes on the pros and cons of the Amniocentesis and Chorionic villus pregnancy tests to detect medical abnormalities in unborn babies. Written as part of GCSE OCR 21st Century Science Biology, module B1.
Description: Notes on the pros and cons of the Amniocentesis and Chorionic villus pregnancy tests to detect medical abnormalities in unborn babies. Written as part of GCSE OCR 21st Century Science Biology, module B1.
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Pros and cons of the Amniocentesis and Chorionic villus tests – James Walker, 9SRT
Pros and cons of the Amniocentesis
and Chorionic villus tests
James Walker, 9SRT
Amniocentesis test
The amniocentesis test is a diagnostic test carried out during pregnancy
...
Pros
Can identify whether a foetus is likely to develop, or has developed,
down syndrome, spina bifida or sickle cell anaemia
Carried out before the baby is born, around 15-20 weeks into
pregnancy
Cons
Testing procedure is very invasive and requires a needle being
inserted into the woman’s abdomen
Testing procedure has been associated with a 1 in 100 risk of causing
a miscarriage
Chorionic villus test
Chorionic villus sampling, or CVS, is a test carried out during pregnancy to
detect abnormalities in an unborn baby
...
Pros
Test described by users as uncomfortable rather than painful
Carried out before the baby is born, around 10-13 weeks into
pregnancy
Can identify whether a foetus is likely to develop, or has developed,
cystic fibrosis, muscular dystrophy, sickle cell anaemia and other
genetic diseases
Cons
Only offered in pregnancies where is a high risk of a baby being born
with a serious inherited medical condition
Testing procedure is very invasive and consists of either a needle
being inserted into the woman’s abdomen or a tube being inserted
through the cervix
Can cause cramps, similar in intensity to menstrual cramps, for a few
days after the testing procedure
Testing procedure can lead to miscarriage or birth defects in the baby if
carried out before week 10 of the pregnancy
Made by James Walker on Microsoft Word 2010
...
Information sourced from NHS Choices
Title: Pros and cons of the Amniocentesis and Chorionic villus tests
Description: Notes on the pros and cons of the Amniocentesis and Chorionic villus pregnancy tests to detect medical abnormalities in unborn babies. Written as part of GCSE OCR 21st Century Science Biology, module B1.
Description: Notes on the pros and cons of the Amniocentesis and Chorionic villus pregnancy tests to detect medical abnormalities in unborn babies. Written as part of GCSE OCR 21st Century Science Biology, module B1.