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本文介绍108例妇女使用释放左旋18甲基炔诺酮20微克/天阴道环一年的临床效果和副反应。每100例妇女使用一年的净累积率为:妊娠率3.7,脱落率4.6,与阴道环有关的停用率26.9,持续使用率71.2。副反应主要为月经紊乱,但随使用时间的延长而逐步改善。本文有20例首进行月经血量,血红蛋白和铁蛋白测定。使用阴道环后第一月,经血量略有增加,此后有下降趋势,血红蛋白浓度在放环后第6和第12月有明显增加(P<0.05)。
This article describes the clinical outcomes and side effects of 108 women using the release of levonorgestrel 20 μg / day vaginal ring for one year. The net cumulative rate of use for one year for every 100 women was: pregnancy rate 3.7, abortion rate 4.6, discontinuation rate associated with the vaginal ring 26.9, and sustained use 71.2. Side effects mainly menstrual disorders, but with the use of time and gradually improve. This article has 20 cases of first menstrual blood, hemoglobin and ferritin determination. In the first month after the vaginal ring was used, the amount of menstrual blood increased slightly and then decreased. The hemoglobin concentration increased significantly (P <0.05) at the 6th and the 12th month after releasing the ring.