Clinical Resources | The Pan-American Society for the Placenta Accreta Spectrum Home Member Resources Calendar For Patients For Clinicians Highlighed Research About Us ByLaws Terms Privacy Annual Report Groups List File Share Book Online More Saving Women from the morbidity and mortality of the Placenta Accreta Spectrum through collaborative research education and advocacy The PanAmerican Society for the Placenta Accreta Spectrum PAS2 is a nonprofit 501c3 organization that is staffed by members on a volunteer basis The PanAmerican Society for Placenta Accreta Spectrum PAS2 grew out of shared clinical and research interests. A group of physicians first started talking about placenta accreta in 2010 at the Annual Meeting of the Society for MaternalFetal Medicine. Since then we have worked together on clinical guidelines expert opinion pieces and research education and outreach. Due to the mutlidisciplinary nature of our work we have now grown into an independent society made up of obstetricians maternalfetal medicine specialists gynecologic oncologists anesthesiologists transfusion medicine specialists critical care specialists pathologists and scientific researchers and more all of whom share our united mission.