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本文研究的目的是解决宫内节育器(IUD)是否起到堕胎的作用。作者在妇产科门诊选择自愿受试者,均证实有生育力,无慢性病或近期激素治疗史,无月经不规则。IUD使用者共有30例妇女,年龄18至38岁(平均24岁),这些妇女应用T200IUD平均6个月;输卵管结扎组由30例妇女组成,年龄为24至38岁(平均32岁)这些妇女于1个月至8年前绝育;阳性对照组为15例妇女,年龄19至27岁(平均24岁),这些妇女在研究前至少一个月未使用口服避孕药或IUD。作者于月经周期第10天开始每天采血标本,直到下次月经开始,月经未来潮的病例,继续每天抽血,直至血清乳胶凝集妊娠试验呈
The purpose of this study is to determine if an IUD acts as an abortion. Authors in the obstetrics and gynecology clinic choose voluntary subjects, all confirmed fertility, no chronic disease or recent hormone therapy history, no irregular menstruation. The average number of IUD users was 30, ranging in age from 18 to 38 (mean, 24 years). These women had an average of 6 months using T200IUD. The tubal ligation group consisted of 30 women aged 24 to 38 years (mean, 32 years) One month to eight years before sterilization; the positive control group was 15 women aged 19 to 27 years (mean, 24 years) who did not use oral contraceptives or IUDs for at least one month prior to study. The authors began daily blood sampling on the 10th day of the menstrual cycle until the next menstrual period, the case of menorrhagia and subsequent daily blood draw until serum latex agglutination pregnancy test