Progesterone to Enhance the Efficacy and Success of Expectantly Managed Preterm Severe/Superimposed Preeclampsia

This study is testing whether progesterone (a hormone) can help safely extend pregnancy and improve outcomes in women who develop a serious pregnancy complication called severe preeclampsia (dangerously high blood pressure during pregnancy) before 34 weeks of pregnancy. **You may be eligible if...** - You are between 23 and 34 weeks pregnant - You have been diagnosed with severe or superimposed preeclampsia (high blood pressure with other complications in pregnancy) - You are a patient at UMMC (University of Mississippi Medical Center) - You are willing and able to understand and agree to participate **You may NOT be eligible if...** - You are more than 33 weeks or fewer than 23 weeks pregnant - You or your baby need emergency delivery right away (due to serious complications like placental abruption, blood clotting problems, fluid in the lungs, or the baby's heart rate showing dangerous signs) - You have other conditions that make extending the pregnancy unsafe Talk to your doctor to see if this trial is right for you.