FemBloc® Permanent Contraception - Confirmation Feasibility Trial

Inclusion Criteria: * Female, 21 - 45 years of age desiring permanent birth control * Sexually active with male partner * Regular menstrual cycle for last 3 months or on hormonal contraceptives Exclusion Criteria: * Uncertainty about the desire to end fertility * Known or suspected pregnancy * Prior tubal surgery, including sterilization attempt * Prior endometrial ablation * Presence, suspicion, or previous history of gynecologic malignancy * Abnormal uterine bleeding requiring evaluation or treatment * Scheduled to undergo concomitant intrauterine procedures at the time of procedure(s) * Allergy to shellfish, betadine or iodinated contrast