380a

Study on the efficacy of Tcu 380A for emergency contraception

含铜宫内节育器用于紧急避孕效果观察

The TCu 380A IUD appears to be suitable for postpartum insertion in Chinese women .

TCu380AIUD适合中国妇女产后立即放置。

Conclusion : The clinical contraceptive effects of γ Cu 380 IUD are much better than that of TCu 380A IUD .

结论：γCu380IUD临床避孕效果明显优于TCu380AIUD；

Methods : According to the unified standard , 1100 cases were selected and inserted Mcu IUD and Tcu 380A randomly ( each 550 cases ) in the six domestic clinical centers . Regular following-up was given .

方法：在国内6个临床中心按统一标准选择1100例要求使用IUD避孕的妇女，随机放置McuIUD与TCu380AIUD各550例，定期随访观察。

We found that the contraceptive method is acceptable at 42 to 60 days postpartum . No pregnancy occurred in the copper T 380A IUD user during lactation . Its good growth and health of child during methods use before weaning are worth to recommend .

结果表明：通过宣教，产后42～60天落实节育方法是可行的，放置铜T380A宫内节育器在哺乳期无妊娠发生，哺乳期避孕对母儿健康无不良影响。

The study expanded the copper surface of the original γ Cu 220 IUD to 380 mm 2 to decrease the pregnancy rate with IUD in situ ( including ectopic pregnancy ) and achieve the contraceptive effects similar to TCu 380A IUD with lower sideeffects .

本研究通过增加原γCu200IUD的铜表面积至380mm2，其目的为了进一步降低带器妊娠率（包括异位妊娠），以期达到TCu380AIUD相似的避孕效果，而其副反应发生率明显低于TCu380AIUD。