IUD Convenience, cost effectiveness andreversibility For women who are in stable, mutuallymonogamous relationships at low risk forsexually transmitted infections (STls)Most commonly used in China-→>80%
IUD ⚫ Convenience, cost effectiveness and reversibility ⚫ For women who are in stable, mutually monogamous relationships at low risk for sexually transmitted infections (STIs) ⚫ Most commonly used in China→80%
History of IUDUsed in animals at first 1909, the first human IUD, designed by aGerman doctor named Richard Richter, wasmade of silk. Aseptic technique→modern IUD
History of IUD ⚫ Used in animals at first ⚫ 1909, the first human IUD, designed by a German doctor named Richard Richter, was made of silk ⚫ Aseptic technique→modern IUD
Ancient IUDs
Ancient IUDs
Categories of modern IUDsIuDswoundwithcopperwireDifferent shapes Different surface areas of copperThe levonorgestrel-releasing intrauterinesystem (LNG-IUS, Mirena)Release levonorgestrel 20ug/dSuitable for women with heawy menses ordysmenorrheal
Categories of modern IUDs ⚫ IUDs wound with copper wire ⚫ Different shapes ⚫ Different surface areas of copper ⚫ The levonorgestrel-releasing intrauterine system (LNG-IUS, Mirena) ⚫ Release levonorgestrel 20ug/d ⚫ Suitable for women with heavy menses or dysmenorrheal
Modern IUDsTCu-220TCu-200金属圆环coacac在宫腔内能释放TCu-380V型节育器孕酮的避孕器
Modern IUDs