B. If a pictorial blood loss assessment chart (PBLAC) scoring systems is used; a minimum PBLAC score of ≥150 for 3 months prior to study enrollment; OR, A minimum PBLAC score ≥150 for one month for women who either i. had at least 3 prior months documented failed medical therapy; or ii. had a contraindication to medical therapy; or iii. refused medical therapy