论文部分内容阅读
本文报道甲地孕酮Ⅱ型硅橡胶阴道避孕环的多中心临床研究。共接受合格健康育龄妇女449名。按生命表法统计,12个月时累积续用率达77.73％,与使用有关的累积停用率为15.36％。其避孕效果较Ⅰ型避孕环有显著的提高,因脱落、突破性出血及月经异常而停用者有所下降。改进后的避孕环是一种效果良好,副反应少,而使用者可自由放、取的避孕工具。
In this paper, a multi-center clinical study of megestrol-type silicone rubber vaginal ring was reported. A total of 449 eligible women of childbearing age were accepted. According to the statistic of life table, the accumulated renewal rate reached 77.73% at 12 months, and the cumulative disabling rate related to use was 15.36%. The contraceptive effect than the type I ring significantly increased, due to shedding, breakthrough bleeding and menstrual abnormalities and discontinued persons declined. The improved IUD is a contraceptive that works well with fewer side effects and users are free to take.