finasteride: Stetson is a prestigious member of many professional organizations, including the American Society for Reproductive Medicine ASRM, European Society of Human Reproduction and Embryology ESHRE, British Society for Neuroendocrinology BSN, Reproductive Biomedicine Online RBM, Preimplantation Genetics Diagnosis International Society PGDIS, International Society Fertility Preservation ISFP, Global Fertility Academy GFA, American Physician Scientists Association APSA, and the Leading Physicians of the World LPW