原发性病经是青春期少女常见的一种临床症状。我们应用彩色多普勒技术对痛经患者的子宫动脉血流状态进行了检测，并与正常组对照，观察原发性痛经患者的子宫动脉血流灌注，探讨原发性痛经的病理生理改变。1材料与方法1．1研究对象选择1994年10月～12月原发性痛经患者40例，健康 Primary disease is a common clinical symptoms of adolescent girls. We applied color Doppler technique to detect uterine arterial blood flow in patients with dysmenorrhea and compared with normal group to observe uterine arterial perfusion in patients with primary dysmenorrhea and to explore the pathophysiological changes of primary dysmenorrhea. 1 Materials and Methods 1.1 Subjects selected 40 patients with primary dysmenorrhea in October 1994 to December, healthy