Bleeding profile associated with 1-year use of the segesterone acetate/ethinyl estradiol contraceptive vaginal system: pooled analysis from Phase 3 trials - Vieira, Carolina Sales; Fraser, Ian S.; Plagianos, Marlene G.; Burke, Anne E.; Westhoff, Carolyn L.; Jensen, Jeffrey; Brache, Vivian; Bahamondes, Luis; Merkatz, Ruth; Sitruk-Ware, Regine; Blithe, Diana L. (Contraception, 2019)