Displaying 1 results of Mepregenol Impurities Mepregenol is a drug used for hormonal therapy in postmenopausal women. However, during the manufacturing process of the drug, impurities may be introduced that can affect its safety and efficacy. These impurities can be residual solvents, process-related impurities, or degradation products. It is important to monitor and control these impurities to ensure the quality and safety of the drug.