避孕环 meaning in English

intrauterine device
intrauterine ring

Can i inside contain intrauterine ring contraceptive entering energy chamber
体内装有避孕环可以做能量屋吗？
Dystopic contraceptive device through uterus to bladder companying with bulky calculus : case report
避孕环异位膀胱继发巨大结石1例
An intrauterine device , but i ' m told the pill is more effective than other contraceptives
放过避孕环，但我听说口服避孕药比其它方法更有效。