**Study on Pain Relief for Women with Sickle Cell Disease** This study is exploring if a birth control shot called **Depot Medroxyprogesterone Acetate** (also known as *Depo-Provera*) can help reduce pain in women with *sickle cell disease* (a condition where red blood cells are curved like a sickle and can block blood flow). Participants will first go through a 3-month period without using any hormonal birth control, then receive the Depo-Provera shot and be followed for another 3 months. During the study, participants will have 6 to 7 in-person visits for tests like blood draws and surveys. They will also complete surveys from home each week and take pregnancy tests every month. **Key Points:** - **Duration:** The study lasts around 6 months. - **Visits:** 6 to 7 in-person visits, plus weekly and monthly tasks from home. - **Eligibility:** Women aged 18-50 with sickle cell disease, who experience regular pain episodes. Participants need to stop other hormonal contraceptives before joining. Women with certain conditions like lupus or recent pregnancy cannot join. This research helps understand how the Depo-Provera shot might ease pain for those with sickle cell disease.