PROSPER: PostpaRtum PrOphylaxiS for PE Randomized Control Trial Pilot

The purpose of this study is to determine if it is feasible to conduct a multi-center randomized trial with a placebo control to determine whether a blood thinner, low-molecular-weight-heparin (LMWH), is effective at preventing blood clots, thromboembolism (VTE), in postpartum women at risk.