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题,美国和欧洲对TCu380A和较新无支架的Cu-Fix IUD进行了临床随机和比较性研究。 选择经产非孕,18～40岁间性活跃的妇女,产后或中期妊娠流产3个月,或早割妊娠流产后1个月,至少有1次正常月经或撤退性出血。按期随访(1、6、12、24个月)。无宫外孕、盆腔炎(PID)或淋球菌、衣原体感染,无黄疸、糖尿病、贫血和妊娠的健康妇女列为研究对象。从1989年8月至1992年12月间,22个医疗单位共放置了989例。由于不合格排除的病例115例,进行资料统计分析者共874例,随机
The United States and Europe conducted a clinical randomized and comparative study of TCu380A and the newer stentless Cu-Fix IUD. Select the production of non-pregnant, 18 to 40 years of active women, postpartum or mid-term pregnancy miscarriage 3 months, or early pregnancy 1 month after the abortion, at least 1 normal menstruation or withdrawal bleeding. Follow-up (1,6,12,24 months). Healthy women without ectopic pregnancy, pelvic inflammatory disease (PID) or gonococcal infection, chlamydia, jaundice, diabetes, anemia, and pregnancy were included in the study. Between August 1989 and December 1992, a total of 989 cases were placed in 22 medical units. As a result of unqualified cases of 115 cases, a total of 874 cases of statistical analysis, randomized