Sickle Cell Resources And LinksProbability of having Sickle Cell Disease and Sickle Cell Trait, note these percentages are in every pregnancy. BASIC INFORMATION- ABOUT US ASCA about us Brochure ASCA What is SCD OTHER RESOURCES What you should know about Sickle Cell Trait Getting screened for SCD Living with SCD Preventing Infections When to see the Doctor Living with SCD in College Sickle Cell: Schools, University and Employment