宫内节育器(I UD)是目前使用最多的可逆性生育控制方法,具有安全、有效、方便的优点,但常因方法失败或发生不良反应而终止使用。I UD失败后是否适宜再次放置I UD,成为了生育期妇女和计划生育工作者共同关注的问题。为此,笔者通过对有放置金属I UD失败史的妇女,随机放置吉妮I UD IUD is the most commonly used reversible fertility control method, which is safe, effective and convenient. However, IUD is often discontinued because of failure or adverse reactions. Whether it is appropriate to put I UD again after the failure of I UD has become a common concern for women of childbearing age and family planning workers. To this end, I have to place the metal I UD failed women’s history, random placement Genie I UD