Abstract
Changes in the use of intrauterine devices (IUDs) for contraception in China in the
past 10 years are reviewed. Replacement of the inert stainless steel ring with copper-bearing
IUDs was an essential decision to improve the efficacy of the IUDs. The most commonly
used, TCu380A, TCu220C and MLCu375, and those developed in China, such as the uterine-shaped
UCu300 IUD and �� Cu380 IUD, are reviewed. Studies of MLCu375 and TCu380A for emergency
contraception revealed a highly effective method, which could prevent over 96% of
unwanted pregnancies. Use of levonorgestrel-releasing system provides both contraceptive
and therapeutic effects in the treatment of menorrhagia.
Keywords
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References
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Article info
Publication history
Published online: February 19, 2007
Accepted:
December 5,
2006
Received:
December 5,
2006
Identification
Copyright
© 2007 Elsevier Inc. Published by Elsevier Inc. All rights reserved.
