COMPARISON OF THE CLINICAL PERFORMANCE, CONTRACEPTIVE EFFICACY AND ACCEPTABILITY OF LEVONORGESTREL-RELEASING IUD AND NORPLANTR-2 IMPLANTS IN CHINA
作者： Ji Gao , Shu-ĺi Wang , Shang-chuń Wu , Bo-ling Sun , Hannu Allonen
DOI: 10.1016/0010-7824(90)90058-4
关键词: Gynecology 、 Clinical trial 、 Medicine 、 Implant 、 Levonorgestrel 、 Pregnancy 、 Discontinuation 、 Side effect 、 Randomized controlled trial 、 Amenorrhea
摘要: The levonorgestrel-releasing IUD (LNG-IUD, 20 micrograms/d) and the Norplant-2 implants were studied in a randomized comparative clinical trial with 200 women for one year. No pregnancy or expulsion occurred Norplant-2. In LNG-IUD group, there was at 12th month of use after an unnoticed expulsion. net cumulative rates 1.0 3.0. removal rate due to menstrual disturbances both groups use-related discontinuation 9.0 3.0, continuation 90.0 96.0, respectively. differences not statistically significant. Menstrual disturbance main side effect. It improved long time use, especially group. After year, percentages amenorrhea 18.9 8.3 blood loss significantly reduced haemoglobin concentration increased groups. are highly effective, safe, long-acting, well accepted by Chinese women.
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