月经周期不稳定是月经失调的常见表现,是妇科常见的症状之一,凡月经量及间隔与正常月经周期不同者均属于月经周期不稳定。月经周期不规律主要常见类型有月经周期延长或月经周期缩短等表现,其原因主要由于内分泌功能障碍,亦可由于全身疾病或生殖器官局部疾病所致,如贫血、反复流产、性生活不洁、多囊卵巢综合症等。中医学中的“月经不调”主要指因七情所伤或外感六淫,或先天肾气不足,多 Menstrual cycle instability is a common manifestation of menstrual disorders, is one of the common gynecological symptoms, where menstrual flow and interval and normal menstrual cycle are different from the menstrual cycle are not stable. Irregular menstrual cycle, the main common type of menstrual cycle or menstrual cycle shortening and other performance, mainly due to endocrine dysfunction, but also due to systemic disease or genital organs caused by diseases such as anemia, recurrent miscarriage, sexual dirty, Polycystic ovary syndrome and so on. Chinese medicine in the “irregular menstruation,” mainly refers to the seven emotions hurt or exogenous six prostitution, or lack of innate kidney, and more