You have used a medicine that is
known to cause birth defects. Talk to your doctor about any medicine you have
taken in the months before or during your pregnancy.
Women with known risk factors are usually offered a
chorionic villus sampling in the late first trimester
amniocentesis in the second trimester. If you have an
amniocentesis, a triple or quadruple screen test for Down syndrome and birth defects is not
ByHealthwise Staff Primary Medical ReviewerAdam Husney, MD - Family Medicine