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作者在本文中比较了放置二年后惰性IUD(和普氏D环)、CuIUD和释放孕酮的IUD(Progestasert)表面沉积的成分及含量,以及T-Cu200和Progestasert的垂直臂和水平臂上沉积的成分,并观察了T-Cu200和Progestasert表面沉积的形成过程。所有取出的IUD经去除IUD表面的有机物质
The authors compared the composition and content of surface deposition of inert IUDs (and Platts D-rings), CuIUDs, and progesterone-releasing IUDs (Progestasert) two years after placement with the vertical arm and horizontal arm of T-Cu200 and Progestasert Deposited components and observed the formation of T-Cu200 and Progestasert surface deposits. All removed IUDs remove the organic material from the IUD surface