- Planning a pregnancy
- Interested in prenatal diagnosis
- Concerned about first or second trimester screening results
- Known to be at risk for carrying genetic disorders such as cystic fibrosis, muscular dystrophy, hemophilia, sickle cell disease or thalassemia
- Pregnant and will be 35 years or older at the time of delivery
- Of an ethnic group in which particular inherited diseases are more common, including African-American, French-Canadian, Jewish, Mediterranean or Asian backgrounds