由于多种因素致使患者不知宫内置环而造成不孕,在临床上屡见不鲜。笔者于1987年4月至1988年2月,在行输卵管通液术中就发现宫内置环9例。这种困医源性不孕报道甚少,值得引起临床注意。 Due to a variety of factors that cause the patient to know that the uterus does not know how to make the infertility, it is not uncommon in clinic. The author in April 1987 to February 1988, the line of tubal fluid in the discovery of intrauterine ring in 9 cases. This poor source of infertility reported very little, it is worth causing clinical attention.