Antenatal Results and Choices - ARC - UK Charity offering information and support for those considering, going through or making decisions based on the results of pre-natal tests..
How Stuff Works - Illustrated narrative describing an assortment of testing decisions..
Mother and Child - Discusses purpose and procedure of chorionic villus sampling. Includes list of advantages and disadvantages compared to amniocentesis..
NT Laboratories - Offers information on a variety of prenatal tests, including amniocentisis, and the ultra-screen..