A type of loop - shaped intrauterine device.
环状的放在子宫内的装置.
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P : 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.
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Attending: And contraceptive users, IUD ( intrauterine device ) are also the high risk factors.
主治医师: 还有避孕药使用者, 以及宫内节育器使用者.
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