Lippes Loop D、Gravigard和TCu 220C宫内节育器的随机对照试验。
A randomized comparative trial of the Lippes Loop D, Gravigard and TCu 220C IUDs.
作者信息
Mccarthy T G, Lim L S, Chew S C, Heng S H, Ratnam S S
出版信息
Adv Contracept Deliv Syst. 1985(1):113-21.
This randomized prospective trial compared the use-effectiveness and pregnancy rates in 3 IUDs following immediate postabortal insertion in 199 women over 3107 months of use. At 24 months the Gravgard (Cu 7) was not significantly different from either of the other 2 devices. However, the Lippes Loop D when compared with the TCu 220C had a higher expulsion rate (P less than 0.05) and a higher use-related termination rate (P less than 0.001). Further details of accidental pregnancies, removal for incomplete abortion or pelvic inflammatory disease and within 48 hours after insertion are presented.
这项随机前瞻性试验比较了199名女性在流产后立即插入的3种宫内节育器（IUD）在超过3107个月使用期内的使用效果和妊娠率。在24个月时，Gravgard（铜7）与其他两种器械中的任何一种相比均无显著差异。然而，Lippes Loop D与TCu 220C相比，其排出率更高（P<0.05），与使用相关的终止率更高（P<0.001）。文中还给出了意外妊娠、因不完全流产或盆腔炎在插入后48小时内取出的进一步详细情况。
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