Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Observational
Official Title: The Cycle Disturbances, OLigomenorrhea and Amenorrhea (COLA) Study & Biobank
Brief Summary: Through the COLA Study and Biobank the investigators hope to enable further identification of phenotype, endocrine, ethnic, and metabolic characteristics associated with menstrual cycle disturbances; and: the identification of genetic or other etiologic factors associated with cycle disturbances.