月经异常是门诊最常见疾病,就阴式超声诊断继发性闭经的方法作以简单介绍。排卵后,基础体温由低温相转为高温相,卵巢由卵泡期转为黄体期,子宫内膜由增殖期转为分泌期。月经干净后低温相初期子宫内膜薄如线,卵巢内可见小的卵泡;低温相中期子宫内膜像薄树叶状,卵巢中可见直径12mm Menstrual disorders is the most common outpatient disease, on the vaginal ultrasound method for the diagnosis of secondary menorrhagia for a brief introduction. After ovulation, the basal body temperature is changed from the low temperature phase to the high temperature phase, the ovary changes from the follicular phase to the luteal phase, and the endometrium turns from the proliferative phase to the secretory phase. Low temperature after menstruation, early phase of endometrial thin line, ovarian small follicles visible; low temperature phase of endometrial like thin leaf-like, visible in the ovary diameter 12mm