exam qs lqc 10

Question 1

Compare and contrast the procedures used in amniocentesis and in chorionic villus sampling to obtain fetal cells in prenatal tests.

Answer 1

feral cells obtained from amniotic fluid in amniocentesis, fatal cells obtained from placental cells in cvs, use of needle in both amniocentesis and cvs, amniocentesis via abdomen and cvs either via abdomen and vagina

Question 2

Explain the issues she needs to consider before deciding which prenatal test to use.

Answer 2

cvs can be performed earlier, cvs allows earlier decision to abort, first cvs results available sooner, with cvs there is greater risk of miscarriage but with amniocentesis there is lower risk

Question 3

What are the advantages of genetic screening?

Answer 3

• Gives information about abnormalities in foetus;
• The information can allow people to make informed decisions/opportunity for choice /consider a termination (abortion)
• Information allows people to prepare or start counselling
• Gives the choice of IVF to implant only embryos without the gene mutation