Serving nearly 60,000 members, PCOS Challenge: The National Polycystic Ovary Syndrome Association is the largest PCOS patient advocacy organization globally. PCOS Challenge is the leading organization advancing PCOS health policy at the federal and state level, patient-centered research and patient-focused drug development. PCOS Challenge provides support to industry partners at every stage of development, ranging from initial discovery and preclinical phases to post-FDA approval and outcome assessment.