<qa>  What is the score of HbSC?To be eligible to participate in this study, patients must have HbSC disease, have experienced a sickle cell disease related complication, or have a score of 80 or lower on the PedsQLTM Sickle Cell Disease Module version 3.0. This questionnaire will be offered to all patients with HbSC seen in our clinic that consent to this study. If the patient is sexually active, they will be offered birth control. If the patient chooses not to initiate effective birth control, they will be tested at their scheduled vist with a urine pregnancy test. If the patient becomes pregnant they will be removed from the study. 