To provide contraceptive regimens by reducing breakthroughbleeding, inducing regular and predictable withdrawal bleeding, reducing frequency of onset of a menstrual cycle or withdrawal bleed, inducing amenorrhea, minimizing uterine bleeding, and the like in a female in need thereof, and to provide methods of treating ovarian cyst, uterine leiomyosarcoma (fibroma), polycystic ovarian disease, and the like. 必要とする女性において、破綻出血の低減、規則的で予想可能な消退出血の誘導、月経周期または消退出血の開始の頻度の低減、無月経の誘導、子宮出血の最小限化等による避妊薬療法、並びに、卵巣嚢胞、子宮平滑筋腫(線維腫)または多嚢胞性卵巣疾患等の処置方法の提供。 - 特許庁