Experts in the Division of Medical Genetics have established themselves as national leaders in the research and application of genetics. They have made major contributions to rapid, in utero diagnosis of fetal genetic abnormalities. The division is essential to Jeff's complete provision of prenatal testing services, including chorionic villus sampling, amniocentesis, cordocentesis and ultrasound fetal evaluation. Jefferson geneticists offer complete genetic counseling as well as a special program that helps women who have experienced multiple miscarriages to achieve successful births.