Causes of Secondary Amenorrhea - Differential Diagnosis • Pregnancy • Endocrinopathies: PCOS, Hypothyroidism • HPA Dysfunction: Strenuous exercise, Eating disorder, Stress, Prolactinoma, Premature Ovarian Failure • Medications: Post-pill amenorrhea, Dopamine antagonists, Anti-psychotics - BWH Medicine Chiefs @BrighamChiefs #Secondary #Amenorrhea #Differential #Diagnosis #Causes #endocrinology