Different Types of IUDs | 合法醫療器材資訊網

Nova-TDevices:Nova-T380andNova-T200...TheT380deviceshouldbereplacedevery5yearswhiletheT200devicelasts30months.TheNovaTandCuNova ...

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The major IUDs being manufactured today are made of plastic, and are either copper-containing or levonorgestrel-releasing. While some women in different parts of the world may still be using older inert devices (plastic only), the manufacturing of such devices is believed to have ceased. The most modern copper devices have the highest copper content (measured by square millimeters of copper surface and noted in the product’s name); these include the TCu-380A, the Multiload ML375, and Nova-T380. Each of these devices was preceded by products with less copper surface, some of which are still being manufactured today. This brief review will focus only on the major copper and levonorgestrel devices.

Today’s modern copper IUDs are highly effective (less than 1% failure rate in the first year of use). A recent comprehensive review on c...