论“三变”“三多”与产科安全管理张明星产科是差错、纠纷、事故多发（简称“三多”）及病情多变、突变、易变（简称三变）的单位。因其医、护行为失误与否涉及母子两个人的安危，故探索产科工作内在规律，提高安全管理质量十分重要。１“三变”与“三多”的关系临床的实... On the “three changes” and “three more” and obstetrical safety management Zhang Celebrity Obstetrics and Gynecology is a unit where errors, disputes, accidents frequently occur (abbreviated as “three more”) and the condition is changeable, abrupt, changeable (referred to as “three changes”). It is very important to explore the inherent laws of obstetrical work and improve the quality of safety management because the mistakes of their medical and nursing activities involve the safety of both mother and child. 1 The relationship between “three changes” and “three mores” clinical...