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据1980年世界卫生组织的机关刊物《世界健康》报道,世界各地大约有六千万妇女采用宫内节育器避孕。根据浙江省1982年1～6月份统计,使用宫内节育器妇女的人数占采取避孕措施总数的61.7%。这些数字足以说明宫内节育器在计划生育中的重要性。然而,现用的宫内节育器尚不能适应于当前日益增长的避孕需要,这主要是由于还存在自然脱落、带器妊娠、出血及疼痛等副反应。分析这些失败和出血的原因,对于寻求降低失败率和副反应必有裨益。一、自然脱落使用宫内节育器失败率中以自然脱落最为常见,特别是在放置后头三个月。大多数脱落发生在行经
According to the 1980 World Health Organization’s publication World Health, around 60 million women worldwide use IUD contraceptives. According to statistics from January to June 1982 in Zhejiang Province, the number of women using IUDs accounted for 61.7% of the total number of contraceptive measures taken. These figures are sufficient to explain the importance of IUD in family planning. However, the current IUDs are not yet able to meet the current growing contraceptive needs, mainly because of side effects such as spontaneous exudation, pregnancy of pregnancy, bleeding and pain. Analyzing the causes of these failures and bleeding can be helpful in seeking to reduce the failure rate and side effects. First, the natural falloff IUD failure rate in the most common natural shedding, especially after the first three months of placement. Most shedding occurs in passing