经期延长·气不摄血证
经期延长·气不摄血证(menostaxiswithsyndromeoffailureofqitokeepblood)是指气虚冲任不固,经血失于制约,以月经持续8~15天始净,量少色淡,质清稀,伴神疲乏力,或头晕眼花,心悸少寐,或纳少便溏,舌淡,苔薄白,脉弱或虚细为常见症的经期延长证候。