笔者从事临床超声诊治工作20余年,时常发现中老年被检者上环多年,甚至绝经了,仍然带着节育环。究其原因,她们认为,上了多年的节育环在她体内一直“平安无事”,并认为对她们的健康没有什么影响,同时害怕节育环长进了子宫肌肉里,取环时疼痛,所以绝经后也不乐意取出,以致节育环超 I engaged in clinical diagnosis and treatment of ultrasound more than 20 years, often found middle-aged subjects were seized many years, or even menopause, still with a birth control ring. The reason, they think, many years of birth control rings in her body has been “safe and sound,” and that they have no effect on the health of the same time, fear of birth control ring into the uterine muscle, the ring when the pain, so menopause After not willing to remove, resulting in birth control ring super