Safety & Effectiveness Study of AEGEA Vapor System to Treat Excessive Uterine Bleeding

Inclusion Criteria: * Female subject from (and including) age 30 to 50 years * Self-reported history of heavy menstrual bleeding in at least 3 of the last 6 months * Predictable cyclic menstrual cycles over past 6 months * Excessive uterine bleeding * Premenopausal at enrollment * Normal PAP * Normal endometrial biopsy * Willing to use reliable contraception * Not currently taking hormonal medication * Agree to use sponsor provided catamenial product (sanitary pads/tampons) Exclusion Criteria: * Pregnant * Desires future childbearing * Presence of an IUD * Previous endometrial ablation procedure * Evidence of STI * Evidence of PID * Active infection of genitals, vagina, cervix, uterus or urinary tract * Active endometritis * Active bacteremia, sepsis or other active systemic infection * Gynecologic malignancy * Endometrial hyperplasia * Known clotting defects or bleeding disorders * On anticoagulant therapy * Hemoglobin \<8gm/dl * Prior uterine surgery * Currently on medication that could thin myometrial muscle * Severe dysmenorrhea, secondary to adenomyosis * Abnormal uterine cavity * Hydrosalpinx * Uterine length \<6cm or \>12cm * Currently in other clinical trial