A drug prepared from natural or synthetic progesterone,used to prevent miscarriage and to treat menstrual disorders. 孕酮由天然或人工黄体荷尔蒙制备的药物，用来预防流产以及治疗月经紊乱。
Infrequent menstruation or amenorrhea not resulting from organic disease is not harmful. 非器质性病变引起的闭经及稀发月经对身体并无损害。
