PCOS and Brain Health

Inclusion Criteria (Participants with PCOS): * Rotterdam criteria demonstrating two out of the three criteria. These are: 1. Presence of clinical hyperandrogenism or biochemical hyperandrogenism 2. A history of irregular menstrual cycles 3. Presence of polycystic ovarian morphology on ultrasound Inclusion Criteria (Healthy Controls): * Regular menstrual cycles (not meeting criteria for irregular cycles above) * No diagnosis of PCOS * Controls may have isolated hirsutism or polycystic ovaries on ultrasound as long as they do not meet Rotterdam criteria for PCOS Exclusion Criteria: * Current pregnancy * Preexisting diagnosis of type 1 diabetes * Severe obesity (body mass index (BMI) greater than 45kg/m2) * Preexisting diagnosis of hypertension requiring antihypertensive medication or blood pressure of greater than 160/100 on two separate occasions during clinical care * History of neurologic disease or stroke * History of myocardial infarction or deep venous thrombosis * Endometriosis confirmed by prior laparoscopy * Autoimmune conditions including lupus, multiple sclerosis, and active malignancy * Immuno-modulating medications * Conditions incompatible with MRI scanning, including but not limited to * Certain implanted metal devices or foreign bodies * Severe claustrophobia * Post-menopausal * Participants will be excluded if they have taken hormonal contraception or fertility medication in the last month