The goal of this study is to assess response to kisspeptin as well as the baseline patterns of luteinizing hormone (LH) secretion in individuals with polycystic ovarian syndrome (PCOS).

Assignment: All study subjects will undergo the same interventions. Baseline LH secretion patterns of individuals with PCOS will be compared to their LH secretion patterns while receiving a kisspeptin infusion. Delivery of Interventions: * Prior to the inpatient study visit, the subjects will undergo a review of their medical history, physical exam, and screening laboratories. * On the day of the study, the subjects will have an intravenous (IV) line placed and * Undergo up to q10 min blood sampling x 36 hours * Receive an infusion of kisspeptin x 24 hours * Receive up to two kisspeptin IV boluses