Today, if you’re pregnant with a defective fetus, you won’t know about the problem till you’re well along. At 10 to 12 weeks, you can get chorionic villus sampling, which involves extracting tissue from the placenta by going through your abdomen or inserting a tube through your cervix. At 15 weeks or so, you can get amniocentesis, which involves sticking a long needle through your belly to draw amniotic fluid. Both tests are uncomfortable, and in one case out of every 100 to 200, they cause a miscarriage.
View the original article here: How will abortion politics be effected by advent of advanced DNA screening ?