Individuals wishing to participate in this study are medically healthy women between the ages of 35-55 years old who have undergone a risk-reducing bilateral salpingo-oophorectomy (RRSO) within the previous 15 years. Participants must have been premenopausal before undergoing RRSO (meaning they were having regular periods). They also must not have undergone radiation or chemotherapy at any point before or after your RRSO.